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你即將離開本站

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實心8K.13K.18K.24K.32K！... - 省力電梯SL Elevator

電梯軌道種類很多，例如空心5K、實心8K.13K.18K.24K.32K！ 1.到底K代表什麼？K代表每公尺/公斤！ 2.軌道長度是多長呢？標準5米、也有1、2、2.5、3、4 ...

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