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00:23
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00:14
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00:11
technology use in water conservation. hydrology fieldwork research with laptop & mobile lab - 水樣本 個影片檔及 b 捲影像00:27
environmental protection workers conducting field inspection near drainage tunnel. field inspection, industrial pollution, environmental monitoring, hazardous environment, ecological protection - 水樣本 個影片檔及 b 捲影像00:12
environmental protection workers conducting field inspection near drainage tunnel. field inspection, industrial pollution, environmental monitoring, hazardous environment, ecological protection - 水樣本 個影片檔及 b 捲影像00:08
hazmat team inspecting contaminated water near industrial drain pipes. hazmat inspection, environmental hazard, water contamination, industrial pollution, safety team - 水樣本 個影片檔及 b 捲影像00:17
hazmat team inspecting contaminated water near industrial drain pipes. hazmat inspection, environmental hazard, water contamination, industrial pollution, safety team - 水樣本 個影片檔及 b 捲影像00:19
environmental workers collecting water samples in hazardous waste drainage area. environmental inspection, pollution monitoring, hazardous waste, industrial safety, water testing - 水樣本 個影片檔及 b 捲影像00:15
environmental workers collecting water samples in hazardous waste drainage area. environmental inspection, pollution monitoring, hazardous waste, industrial safety, water testing - 水樣本 個影片檔及 b 捲影像00:08
environmental workers collecting water samples in hazardous waste drainage area. environmental inspection, pollution monitoring, hazardous waste, industrial safety, water testing - 水樣本 個影片檔及 b 捲影像00:06