| |||
valve chamber; valve chest | |||
valve well | |||
curb box; valve pit |
阀井 : 57 phrases in 10 subjects |
Drilling | 7 |
Earth sciences | 1 |
Engineering geology | 2 |
Mechanics | 1 |
Mining | 4 |
Nautical | 1 |
Navigation | 3 |
Oil / petroleum | 21 |
Technology | 16 |
Water resources | 1 |