protective supercoating是什么意思 protective supercoating怎么读
protective supercoating的相关资料
protective supercoating的用法和样例
- The glass window had a protective overcoat applied to it.
玻璃窗涂有一层保护层。 - All buried lines are coated with a protective covering to save them from corrosion.
所有埋设的管道必须涂上保护层，以防生锈腐蚀。
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