an environmental scientist and ecologists in yellow protective suits collect water samples to test pollution levels near industrial fuel storage tanks on a contaminated coastline - 水樣本 個影片檔及 b 捲影像00:07
an environmental scientist and ecologists in yellow protective suits collect water samples to test pollution levels near industrial fuel storage tanks on a contaminated coastline - 水樣本 個影片檔及 b 捲影像00:14
an environmental scientist and ecologists in yellow protective suits collect water samples to test pollution levels near industrial fuel storage tanks on a contaminated coastline - 水樣本 個影片檔及 b 捲影像00:06
an environmental scientist and ecologists in yellow protective suits collect water samples to test pollution levels near industrial fuel storage tanks on a contaminated coastline - 水樣本 個影片檔及 b 捲影像00:10
an environmental scientist and ecologists in yellow protective suits collect water samples to test pollution levels near industrial fuel storage tanks on a contaminated coastline - 水樣本 個影片檔及 b 捲影像00:14
environmental researchers collect soil and water samples on salt affected land - 水樣本 個影片檔及 b 捲影像00:16
engineers collecting water sample for environmental testing at construction site - 水樣本 個影片檔及 b 捲影像00:16
engineers collecting water sample for environmental testing at construction site - 水樣本 個影片檔及 b 捲影像00:13
environmental scientist testing water sample for salinity during field research - 水樣本 個影片檔及 b 捲影像00:20
environmental engineers inspecting water sample at infrastructure construction site - 水樣本 個影片檔及 b 捲影像00:14
environmental scientists examine water and soil samples in saline land field survey - 水樣本 個影片檔及 b 捲影像00:13
environmental inspectors testing water for pollution at infrastructure construction site - 水樣本 個影片檔及 b 捲影像00:14
field scientists inspect water samples and document environmental test results - 水樣本 個影片檔及 b 捲影像00:08
environmental scientists assessing soil salinity and water quality in salt affected land - 水樣本 個影片檔及 b 捲影像00:26
scientists testing water and soil salinity during environmental field assessment - 水樣本 個影片檔及 b 捲影像00:17
scientists examining water sample for salinity and environmental quality assessment - 水樣本 個影片檔及 b 捲影像00:12
a scientist is putting on rubber gloves in preparation to collect samples of water contaminated with toxic substances discharged from a factory into a public water source. - 水樣本 個影片檔及 b 捲影像00:15
environmental engineer monitoring coastal water quality near industrial storage tanks. - 水樣本 個影片檔及 b 捲影像00:20
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:13
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:10
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:15
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:16
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:15
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:13
environmental scientists inspecting water samples near oil refinery and gas storage tanks. - 水樣本 個影片檔及 b 捲影像00:14
environmental scientists inspecting water samples near oil refinery and gas 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
water quality inspector documenting environmental monitoring results near drainage pipes - 水樣本 個影片檔及 b 捲影像00:22
scientist displaying water sample during environmental water quality inspection - 水樣本 個影片檔及 b 捲影像00:20
scientist inspecting water sample beside drainage water during pollution monitoring - 水樣本 個影片檔及 b 捲影像00:15
scientist in hazmat suit collecting water sample from industrial drainage pipe - 水樣本 個影片檔及 b 捲影像00:14
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