purge meter interlock

例句：

1. 1. The purge meter was used to monitor the level of contaminants in the water supply.
   净化计量器用于监测供水系统中污染物的水平。
2. 2.The interlocking device ensured that only authorized personnel could access the control room.
   互锁装置确保只有授权人员才能进入控制室。
3. 3. The engineers worked tirelessly to ensure that the purge meter interlock was functioning correctly.
   工程师们不懈努力，确保净化计量互锁装置正常工作。