physical and chemical inspection

例句：

1. 1. The company conducted a thoroughphysical and chemical inspection of the equipment beforeuse.
   公司在使用设备之前进行了彻底的物理和化学检查。
2. 2. During the inspection, theyfound several issues with the building'selectrical system.
   在检查过程中，他们发现建筑的电气系统有几个问题。
3. 3. The inspection revealedthat the pipes were corrodedand needed to be replaced.
   检查发现管道腐蚀严重，需要更换。