preventive maintenance〔名词〕预防性维修,预防性检修详细»
preventive maintenance预防性维护[修][PM]详细»
preventive maintenance〔名词〕预防维护详细»
preventive maintenance〔名词〕预防性维修详细»
preventive maintenance〔名词〕定期修理,维护详细»
preventive maintenance〔名词〕预防性技术保养详细»
preventive maintenance〔名词〕预防性维护详细»
preventive maintenance〔名词〕预防性维修详细»
preventive maintenance〔名词〕预防性维护,预防性维修,预防性检修详细»
preventive maintenance〔名词〕预防性保养详细»
预防性维修preventive maintenance详细»
预防性维修preventive maintenance详细»
预防性维修preventive maintenance overhaul详细»