涂层有超过20%区域的普遍破损或超过10%区域的硬锈垢

涂层有超过20%区域的普遍破损或超过10%区域的硬锈垢的英文翻译

基本释义

• General breakdown of coating over 20%25 or more of areas or hard scale at 10%25 or more of areas under consideration