戴博拉：为了改进全部机械装置，我们检查了所有的生产环节，包括所有的操作台和其它地方。

Deborah: we're looking across the range of all the platforms and areas we produce, obviously trying to improve all the mechanisms.

youdao

因此，在生产测试期间，要重新检查在生产前做出的安全性改进。

Therefore, during production testing, you recheck the improvements to security that were made in preproduction.

youdao