短语词组短語thermal drop feed oiler 熱差點滴加油器drop feed oiler 滴油器;滴油式加油器;滴給式注油器;滴給加油器drop oiler oil drip 滴油器drop -feed oiler [機]滴油器;滴油加油器Drop -type oiler 滴油加油器 返回 drop oiler