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钢丝绳捻向(twist of …
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止推轮(upthrust ro…
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门导靴(door guide …
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cidian
电梯语音自动报层器(voice…
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总线箱(bus box) 设在…
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飞轮(fly wheel) 亦…
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直流可控硅励磁驱动(SCR d…
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天然木材(timber) 电梯…
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卧式动力装置(horizont…
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圆形钢丝绳结构(structu…
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