封闭水 meaning in Chinese

occlusion water
pent-up water

He searches the sources of the rivers and brings hidden things to light
11他封闭水不得滴流，使隐藏的物显露出来。
" he dams up the streams from flowing , and what is hidden he brings out to the light
伯28 : 11他封闭水不得滴流使隐藏的物显露出来。
Protection of metallic materials against corrosion - guidance on the assessment of corrosion likelihood in closed water circulation systems
金属材料防腐蚀保护.封闭水循环系统中腐蚀可能性的评定指南