19421| 48
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機械設備產生噪音,社友們受得了嗎?! |
點評
帶上耳塞可以保護耳朵 但是有時候操作機床聽聲音辨別故障 聲音不對馬上急停
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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