pneumatic tie-tamper

例句：

1. 1.This pneumatic tie-tamper is very useful for tightening bolts in industrial settings.
   这种气动式扭力扳手在工业环境中非常实用，用于紧固螺栓。
2. 2. The engineer used the pneumatic tie-tamper to quickly and efficiently install the new piping system.
   工程师使用气动式扭力扳手快速而有效地安装新的管道系统。
3. 3.During maintenance, the technician found that the pneumatic tie-tamper was not functioning properly, prompting him to check the gas supply.
   在维护过程中，技术人员发现气动式扭力扳手无法正常工作，这促使他检查了气体供应。