supergauge

例句：

1. 1. The engineer useda supergauge to measure the lengthof the bridge.
   工程师使用一个超级仪表来测量桥梁的长度。
2. 2. The supergauge wasused to monitor the temperature in the undergroundtunnels.
   超级仪表被用来监测地下隧道的温度。
3. 3. The supergauge was accurate towithin a few millimeters.
   超级仪表的精度在几毫米以内。