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rotary piston | |
auto. | 转子; 旋转式活塞 |
vacuum pump | |
gen. | 真空录 |
met. | 真空泵 |
railw. | 真空水泵 |
tech. | 真空抽气机 |
vacuum-pump | |
gen. | 排气唧筒 |
| |||
转子; 旋转式活塞 | |||
旋转活塞; 回转式活塞 |
rotary-piston vacuum pump : 50 phrases in 11 subjects |
Agriculture | 1 |
Automobiles | 7 |
Chemistry | 3 |
Computer numerical control | 1 |
Ecology | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Refrigeration | 3 |
Space | 1 |
Technology | 30 |