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水准气泡
| 轴线
| 水准气泡 | |
| oil | leveling bubble |
| 轴线 | |
| oil | center line |
| space | axial line; boresight; centreline |
| tech. | axis |
| |||
| leveling bubble | |||
| level bubble; levelling bubble; level vial | |||
|
水准气泡 : 51 phrases in 11 subjects |
| Agriculture | 2 |
| Architecture | 2 |
| Automobiles | 1 |
| Construction | 1 |
| Electric machinery | 1 |
| Engineering geology | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Technology | 37 |
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