18830| 48
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機(jī)械設(shè)備產(chǎn)生噪音,,社友們受得了嗎,?! |
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點(diǎn)評
帶上耳塞可以保護(hù)耳朵 但是有時候操作機(jī)床聽聲音辨別故障 聲音不對馬上急停
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