secondary pressure standard

例句：

1. 1.The new safety standards for the construction industry have been set.
   建筑行业的新安全标准已经制定。
2. 2. The company has adopted a secondary pressure standard to ensure product quality.
   该公司已采用次级压力标准以确保产品质量。
3. 3.The new regulations are aimed at improving the secondary pressure standard in the industry.
   新的法规旨在提高该行业次级压力标准。