鉛皂潤滑料 Lead - soap lubricants
用鉛鹽皂化油脂者,於低溫時質硬,溫有黏性,於摩擦熱時變為流體。供機
械上潤滑之用。
鉛皂潤滑料 Lead - soap lubricants
用鉛鹽皂化油脂者,於低溫時質硬,溫有黏性,於摩擦熱時變為流體。供機
械上潤滑之用。
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