C-wire

例句：

1. 1. The electrical engineer used a C-wire to connect the power source to the outlet.
   电气工程师使用一根C型线将电源连接到插座。
2. 2. The construction workers were using C-wires to secure the scaffolding.
   建筑工人正在使用C型线来固定脚手架。
3. 3.The C-wire was exposed during the installation process, which caused concern among the team.
   在安装过程中，C型线暴露出来，让团队感到担忧。