shut down 托福

She shut the lid down.

她扣上了。

This machine can motorise pay-off not only loose tube of optical fiber but also loose tube of optical fiber ribbon, and it can shut down once buldgy part is detected.

机主放线既可用于光纤松套管又可用于光纤带松套管的放线，具有鼓包检测和停机功能。