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| 同向捻; 兰氏捻 | |||
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| 钢丝绳股与股丝的绞向顺向绞的 | |||
| 绳索顺捻 | |||
| 同向捻 (法); 顺捻 | |||
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| 同向捻法; 顺捻 | |||
| Lang lay: 25 phrases in 3 subjects |
| Drilling | 1 |
| Metallurgy | 8 |
| Technology | 16 |
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