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ANS: Lubricating cotton !! 因lubricate 本身是動詞 ~ 動詞+ing 可當動名詞用 例: lubricating oil 潤滑油
...and income of you of you matter a lot 2. Wheel that will ask might not get lubricating oil, sometimes it change into 3. Plan matters in it, succeed in people ...
...的油不要使用高濃度的潤機油. 6. Do not use highly concentrated lubricating oils in the oil spraying machine. (I don't know a lot about mechanics...