probe unit的用法和樣例：
例句
- The stabilized power supply unit for the detectors is mounted at the rear of the chassis.
檢測器的穩壓電源安裝在框架後面。 - The position is monitored by a battery powered sensor unit mounted in a convenient position on a tripod or fixed to a suitable support.
探傷的位置主要由一個電池供能的檢測器監控，方便起見用一個三角架或者是其它合適的支撐物固定。
