| |||
perforated casing; perforated pipe; screen pipe; slotted liner; strainer; well tube filter | |||
water strainer |
滤水管 : 44 phrases in 11 subjects |
Agriculture | 1 |
Aviation | 1 |
Drilling | 2 |
Ecology | 2 |
Electronics | 1 |
Engineering geology | 3 |
General | 1 |
Hydroelectric power stations | 1 |
Rail transport | 3 |
Technology | 28 |
Water resources | 1 |