标签：exposed - 华人论坛

在加拿大 -the clear blow mold is exposed but should have black tray cover这句的exposed该怎么理解啊？ 评论 个人感觉是露出来了 评论 是指透明的吹塑模具裸露在外，应该要加一个带盖子的黑色托盘包装 FYR. 评...华人论坛

在加拿大 表面处理 For part exposed to very severe corrosive conditions. For these parts one of the following coatings may be used alternatively: Zn/Fe with black chromate; organic and inorganic c. with zinc particles; coatings according to JED-25...华人论坛