| |||
无螺纹的光管端 | |||
平管口 | |||
平端; 管子未加厚端部 | |||
平滑端 (管材的); 直切管端; 平头 (管材的); 管材光端 (未修整和套丝的) | |||
管子未加厚端部; 无螺纹管端 |
plain end: 49 phrases in 9 subjects |
Architecture | 1 |
Construction | 1 |
Drilling | 2 |
Hydroelectric power stations | 2 |
Mechanics | 12 |
Metallurgy | 8 |
Oil / petroleum | 8 |
Rail transport | 1 |
Technology | 14 |