| 释义 |
相似短语
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counterweight safety
电梯安全装置
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counterweight block
平衡重滑轮
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compensating counterweight
平衡锤
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counterweight balance
载荷平衡，重锤式平衡
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spindle counterweight
接轴平衡锤
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semaphore counterweight
臂板平衡锤［重锤］
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counterweight carrier
平衡重托架
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counterweight weight
平衡锤
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bell counterweight
料钟平衡锤
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counterweight brake
配重制动器
相似单词
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counterweight
n. 平衡物,平衡力,称锤
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safety
n.[U]
1.安全；平安
2.【喻】安全保障措施
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safety check
安全检查
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safety first
adj.
安全第一
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fire safety
n. 防火措施
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safety catch
n. （枪、炮等的）保险栓
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safety belt
=safety belt
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safety related
adj. 安全相关的
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safety pin
别针
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fail safety
【计】 故障保险, 失效保险
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