contact point insert

例句：

1. 1. The engineer inserted the new partinto the machine to fix the problem.
   工程师将新部件插入机器以解决问题。
2. 2. During theinstallation process, the technician carefully inserted thescrews into the holes.
   在安装过程中，技术员仔细地将螺丝插入孔中。
3. 3. The software developer had to insert anew code module to make the system moreefficient.
   软件开发者不得不插入一个新的代码模块来使系统更加高效。