1)well tube filter,井过滤器2)tube well filter,管井过滤器3)bore well filter,钻井过滤器4)filter well,过滤井5)filter porosity of well,管井过滤器孔隙率6)permeable downhole filter,井下可渗透过滤器
用法例句
The determination of diameter and length of tube well filter is always a problem not being completely solved for a long time in tube well engineering from theoretical and practical point of view.
