预防性维修工程的英文

• preventive maintenance work

• 预防:    prevent; take precautions ag ...
• 性:    nature; character; dispositi ...
• 维修:    keep in repair; service; mai ...
• 工程:    engineering; project; progra ...
• 预防性维修:    maintenance of preventative nature; preventive maintanence; preventive maintenance overhaul; preventive-maintenance overhaul