请问U.S.backing怎么翻译?

请问U.S.backing怎么翻译? "brass silver plated with backing craft"怎么翻译? 请问"Backing in a straight 描述防弹衣结构的英文 armor bulletproof plate with PE backing 应该怎么翻译.了解 let's shred怎么翻译啦 thank u U.S.scrambles to contain WikiLeaks damage,怎么翻译? Chinese bank head for the U.S怎么翻译 请问 U|S=｛x, 请问"That's the idea"怎么翻译? U.S.Alarmed by Harsh Tone of China’s Military,怎么翻译? 请问合同上英文的6万美圆怎么写?SAY:U.S.DOLLARS 请问汽车领域里面S U