Coatesn.科茨coatn.外套；上衣；层；表皮vt.涂上；覆盖；包上coating thickness meter镀层厚度计coatings color matching涂料配色coating film properties涂膜性能coating water retention涂料保水coated white paperboard涂布白纸板coating of an electrode焊条药皮coat of synthetic resin合成树脂涂层coatings of automobiles汽车涂装Coating quality control涂层质量控制coating thickness gauge涂层厚度测量仪