Remove the rust parts, grease, graphite, smeary, fingerprints, mechanical scraps, polishing wax, dust, attachments rosin, flux, etc.

清除零件上的锈、油脂、石墨、油污、指纹、机械切屑、抛光腊、灰尘、松香、助焊剂等附着物。

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The grease must have moly and graphite and quantity must be more.

油脂必须有钼和石墨和数量要更多。

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