1.Express delivery 快递

A: The motor on Line 49 was down.
B: We ordered the motor already, and it will be sent to us by express delivery.

A：49号生产线的发动机坏了。
B：我们已经订了发动机了，很快就会给我们快递过来。

2.Test runs 试运行

A: When can we make a test run?
B: About two o'clock midnight.

A：什么时候试运行？
B：大概在凌晨2点。

3.Visual inspection 视觉检查

A: Does visual inspection do any good？
B: It is useful for checking the bearings and belts.

A：视觉检查有什么用？
B：检查轴承和传送带的时候很有用。

4.Spare parts 备用件

A: Do we need spare parts for every component?
B: No! We just need spare parts for the easy-to-break parts.

A：每个零部件都要有备用件吗？
B：不！我们只需要准备易损零件的备用件。

5.Repair technician 维修工

A: Can you find a good repair technician?
B: It's hard to come across.

A：你能找一个好的维修工吗？
B：很难找到。