maintenance-period-of-contractor
承包商维修周期
双语例句
1. In the future the machines will need spare parts and maintenance.x09
这些机器将来会需要备件和维修保养.
maintenance-period-of-contractor
承包商维修周期
双语例句
1. In the future the machines will need spare parts and maintenance.x09
这些机器将来会需要备件和维修保养.