balanced lever-type bell gauge

例句：

1. 1. The police used a balanced lever-type bell gauge to alert the public ofan emergency situation.
   警方使用一个平衡杠杆式警铃来警告公众紧急情况。
2. 2. Theengineers designed a balanced lever-typebell gauge that could detect faults inthe electrical system.
   工程师们设计了一个平衡杠杆式警铃，可以检测电气系统中的故障。
3. 3. The balance lever-type bellgauge was used as a safety measure duringthe construction site inspection.
   在工地检查期间，使用了平衡杠杆式警铃作为安全措施。