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油底脚排泄孔 | |||
油罐放泄孔; 油罐油脚排出孔 | |||
油罐放出口 |
tank drain : 55 phrases in 11 subjects |
Aviation | 5 |
Construction | 1 |
Electronics | 18 |
General | 2 |
Metallurgy | 3 |
Nautical | 2 |
Nuclear and fusion power | 5 |
Oil / petroleum | 7 |
Oil processing plants | 1 |
Shipbuilding | 1 |
Technology | 10 |