Do you have a preventive maintenance program?

您有预防性维护计划吗？

Do you have an established preventive maintenance program?

你们是否建立了预防性的维护程序？

Establish and implement the preventive maintenance program.

建立预防性保养计划并监督实施。

A planned maintenance program has been explained and proposed.

已介绍并建议了正确的保养计划。

Is there a formal documented preventive maintenance program in place?

工人是否有记录在案的正式的维修记录？