6对于所有机械加工的未涂防护漆的表面,应涂上金属防护剂或油脂,以防严重生锈。
6 as for all machined surfaces without protective paint, metal protector or grease should be applied to avoid serious rustiness.
6对于所有机械加工的未涂防护漆的表面,应涂上金属防护剂或油脂,以防严重生锈。
6 as for all machined surfaces without protective paint, metal protector or grease should be applied to avoid serious rustiness.
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