| |||
water sprinkler system | |||
sprinkling system | |||
sprinkler system | |||
water spray system; wetting system | |||
| |||
sprinkler system |
洒水系 统 : 17 phrases in 7 subjects |
Architecture | 1 |
Electronics | 1 |
Engineering geology | 1 |
Nautical | 2 |
Oil / petroleum | 1 |
Technology | 10 |
United Nations | 1 |