direct reading liquid level gauge

例句：

1. 1. The engineer used a direct reading liquid level gauge to monitor the oil level in the tank.
   工程师使用直接读取液位计来监测油箱中的油位。
2. 2.During the maintenance, the technician used a direct reading liquid level gauge to check the fluid level.
   在维护过程中，技术员使用直接读取液位计来检查液体水平。
3. 3. The manufacturer recommends using a direct reading liquid level gauge for accurate reading of liquid levels.
   制造商建议使用直接读取液位计来准确读取液体水平。