safety margin of pipeline shut down

例句：

1. 1. The safety margin of thepipeline is crucial for ensuring safe operations.
   管道的安全余量对于确保安全操作至关重要。
2. 2. Themanufacturer has increased the safety margin to meetnew safety standards.
   制造商已提高安全余量以满足新的安全标准。
3. 3. The companyplans to reduce the safetymargin in order to improve efficiency.
   公司计划减少安全余量以提高效率。