protective coating
短语词组
- protective inorganic coating 無機塗層
- protective e coating 防護層
- thermal -protective e coating 隔熱層
- heat -protective coating 隔熱保護層
- optical protective coating 光學保護塗層;光保護塗層
- rubber base protective coating 橡膠基防護層
- antimercury protective coating [化工]防汞保護層
- optical fiber protective coating 光纖保護塗料 返回 protective coating