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| 双筒卷扬机 | |||
| 双筒起重机; 双筒绞车; 双卷筒提升机; 双滚筒提升机 | |||
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| 双筒卷扬机 | |||
| 双滚筒绞车 | |||
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| 双鼓筒绞盘卷扬机 | |||
| double-drum hoist: 1 phrase in 1 subject |
| Technology | 1 |
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