pumping element
| spacing
| pump element | |
| auto. | 泵油偶件; 柱塞偶件 |
| tech. | 泵芯子 |
| pumping element | |
| auto. | 泵油偶件; 柱塞偶件 |
| spacing | |
| dril. | 井距; 节距; 空隙 |
| exhib. | 间隙 |
| hydroel.st. | 间隔; 间距; 跨距 |
| met. | 距离 |
| oil | 齿距 |
| telecom. | 空号 |
| |||
| 喷油泵泵油偶件; 柱塞偶件 | |||
| 泵芯子 | |||
| |||
| 喷油泵泵油偶件; 柱塞偶件 | |||
| 有抽水单元 | |||
|
pumping element : 5 phrases in 2 subjects |
| Automobiles | 4 |
| Technology | 1 |