1)percolating filter,渗透滤器2)percolating filter,渗透过滤器3)percolation,渗透,渗滤4)reverse osmosis filter,反渗透过滤器5)filtering and filtration,渗透过滤6)percolation,渗透,渗滤;渗流
用法例句
Aim at the factual condition in engineering,the concrete plan of initial rainwater discarding was put forward,and based on the manual ecologic filtering and filtration purification technique,the economic and effective rainwater treatment processes was brought forward.