casing head | |
mech. | 套管头 |
O&G | 井口采油装置 |
gas | |
gen. | 气 |
environ. | 气体 |
met. | 燃气; 毒气 |
oil | 天然气 |
pest.contr. | 煤气 |
sport. | 汽油 |
| |||
套管头 | |||
井口采油装置 | |||
螺旋管塞 |
casing head : 68 phrases in 10 subjects |
Automobiles | 1 |
Business | 1 |
Chemistry | 2 |
Compressors | 4 |
Construction | 2 |
Drilling | 14 |
Mechanics | 2 |
Metallurgy | 1 |
Oil / petroleum | 14 |
Technology | 27 |