standard air leak rate

例句：

1. 1.The standard for measuring the height of a person is 5 feet 8 inches.
   测量一个人身高的标准是5英尺8英寸。
2. 2.The company's standard operating procedures are very strict.
   公司的标准操作程序非常严格。
3. 3.The standards for quality control in this industry are high.
   这个行业的质量控制标准很高。
4. 1.We need to keep the air clean to prevent pollution.
   我们需要保持空气清洁以防止污染。
5. 2. The air was so thin that it felt like I was breathing through cotton wool.
   空气很稀薄，感觉像是在通过棉花糖呼吸。
6. 3. Air travel is becoming more popular as people seek faster means of transportation.
   随着人们寻求更快的交通工具，航空旅行越来越受欢迎。