求助英语翻译。。。
在一份盐雾实验的标准上看到如下两句英语，烦请大家帮个忙，看不大明白，先谢谢了~
1.No topcoat of sealers are allowed on fasteners unless approved by fastener engineering.
2.On all existing drawings, the passivate color call-out is no longer valid or required when changing to trivalent systems with the exception of black.
1.No topcoat of sealers are allowed on fasteners unless approved by fastener engineering.
2.On all existing drawings, the passivate color call-out is no longer valid or required when changing to trivalent systems with the exception of black.
没有找到相关结果
已邀请:
RSS Feed
8 个回复
3毛 (威望:2) (广东 佛山)
赞同来自:
－－－－若不了解电镀，翻译出来的＂韵味＂不足．