单词：protective coat
protective coat的用法和样例：
例句
- The glass window had a protective overcoat applied to it.玻璃窗涂有一层保护层。
- An acid-proof protective coating applied to metal plates to limit areas of etching.一种涂布在金属版上的抗酸性保护层，可限制腐蚀的范围。
- There is a protective coating of silicon dioxide on the silicon carbide.在棒的表面有一层二氧化硅保护涂层。
- Stress concentrations can be created by mechanical damage that compromises the protective finishes and alters the compressive shot-peen layer.机加工损伤对保护涂层的破坏和对喷丸压缩层的改变会造成应力腐蚀。
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