high vacuum gauge

例句：

1. 1.The high vacuum gauge was used to measure the pressure in the vacuum chamber.
   使用高真空计测量真空室的压力。
2. 2.The engineer carefully checked the high vacuum gauge before starting the experiment.
   工程师在开始实验前仔细检查了高真空计。
3. 3. The high vacuum gauge is essential for maintaining a clean and sterile environment in the laboratory.
   高真空计对于实验室保持清洁和无菌环境至关重要。