protective coating
短语词组
- protective inorganic coating 无机涂层
- protective e coating 防护层
- thermal -protective e coating 隔热层
- heat -protective coating 隔热保护层
- optical protective coating 光学保护涂层;光保护涂层
- rubber base protective coating 橡胶基防护层
- antimercury protective coating [化工]防汞保护层
- optical fiber protective coating 光纤保护涂料 返回 protective coating