plastic insulating tube

例句：

1. 1.This plastic insulating tube is used to protect electrical wires from damage.
   这个塑料绝缘管用来保护电线免受损坏。
2. 2.The manufacturer recommends using this plastic insulating tube for the installation of electrical wiring.
   制造商推荐使用这种塑料绝缘管来安装电气线路。
3. 3. The plastic insulating tube is easy to install and can be easily removed when necessary.
   这种塑料绝缘管安装简便，需要时可以容易地拆卸。