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| travelling sheave | |||
| hoisting block; travelling block | |||
| rotary block (组); traveling block (组); travelling block (组); traveling sheave; trolly block (组); trolley block (组) | |||
| 游动滑车: 22 phrases in 4 subjects |
| Drilling | 7 |
| Mechanics | 3 |
| Oil / petroleum | 4 |
| Technology | 8 |
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