hook-on type meter

例句：

1. 1.This hook-on type meter can quickly measure the length of ropes.
   这个钩挂式测量仪可以快速测量绳索的长度。
2. 2. The engineer used a hook-on type meter to check the accuracy of the measurements.
   工程师使用钩挂式测量仪来检查测量的准确性。
3. 3.The hook-on type meter was used in the construction site to ensure the safety of workers.
   钩挂式测量仪被用于施工现场，以确保工人的安全。