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W一步：(x)查看异声出现在电(sh)柜还nQ?br/>W二步：(x)如果在电(sh)柜，(g)查接触器、风扇、变压器听异声在哪里,哪个原g坏更换哪个；
W三步：(x)如果在机w，打开主u盖检查丝杆、uѝ线轨、ƈ加注润滑油；
W四步：(x)(g)查电(sh)机如果有异声需更换。如q(sh)能处?span style="font-family: ?hu)? mso-font-kerning: 1.0pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">请与基服务部联p?/span>
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