vacuum-chamber aperture

例句：

1. 1.The vacuum chamber is essential for maintaining the cleanliness of the lab environment.
   真空室对于实验室环境的清洁至关重要。
2. 2. The vacuum chamber aperture allows for easy access to the sample without contaminating it.
   真空室开口便于样品的取用，而不会对样品造成污染。
3. 3.The vacuum chamber aperture is designed to minimize air leakage and ensure optimal performance.
   真空室开口的设计旨在最小化空气泄漏，确保性能的最优化。