hazmat team collecting water sample during environmental pollution investigation - 水樣本 個影片檔及 b 捲影像00:09
hazmat scientists reviewing water sample during environmental field investigation - 水樣本 個影片檔及 b 捲影像00:12
environmental scientist inspecting water sample near stormwater drainage outfall - 水樣本 個影片檔及 b 捲影像00:12
environmental scientist examining water sample during field water quality inspection - 水樣本 個影片檔及 b 捲影像00:13
environmental scientist holding water sample during canal pollution investigation - 水樣本 個影片檔及 b 捲影像00:12
close up scientist displaying water sample for environmental quality assessment - 水樣本 個影片檔及 b 捲影像00:11
close up water sample collection by environmental scientist in protective suit - 水樣本 個影片檔及 b 捲影像00:13
close up water sample inspection by environmental researcher wearing protective suit - 水樣本 個影片檔及 b 捲影像00:05
calls for ban on common pet flea treatment due to environmental concerns; england:extperson talking water sample from rivergvs river and birds - 水樣本 個影片檔及 b 捲影像00:09
environmental scientists investigating stormwater drainage tunnels for water pollution - 水樣本 個影片檔及 b 捲影像00:22
environmental scientists conducting coastal pollution inspection near industrial storage facility - 水樣本 個影片檔及 b 捲影像00:13
environmental researchers walking through drainage channel after water quality survey - 水樣本 個影片檔及 b 捲影像00:15
environmental scientists analyzing coastal water samples for pollution assessment - 水樣本 個影片檔及 b 捲影像00:07
environmental researchers examining plastic waste during coastal pollution survey - 水樣本 個影片檔及 b 捲影像00:19
environmental researchers discussing coastal pollution investigation at industrial harbor - 水樣本 個影片檔及 b 捲影像00:17
environmental scientist collecting water sample near stormwater drainage outfall - 水樣本 個影片檔及 b 捲影像00:16
environmental researchers collecting water samples in rocky coastal drainage area - 水樣本 個影片檔及 b 捲影像00:12
environmental scientists collecting pollution samples on industrial shoreline near storage tanks - 水樣本 個影片檔及 b 捲影像00:16
environmental researchers collecting plastic waste samples along polluted coastline - 水樣本 個影片檔及 b 捲影像00:19
environmental inspector examining drainage tunnel for pollution source investigation - 水樣本 個影片檔及 b 捲影像00:16
environmental researchers walking through polluted canal for water quality assessment - 水樣本 個影片檔及 b 捲影像00:24
environmental scientists conducting coastal water pollution investigation in protective hazmat suits - 水樣本 個影片檔及 b 捲影像00:12
scientist conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:14
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:19
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:17
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:26
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:11
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:14
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:19
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:10
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:13
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:22
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:25
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:18
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:17
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:12
engineers conducting wastewater inspection treatment plan analyzing water sample measuring cylinder recording data sanitation systems and sustainable water management concepts environmental engineering pollution control water treatment. - 水樣本 個影片檔及 b 捲影像00:07