机械工程专业英语词汇翻译
后座 back seat后退速 back speed后弹簧 back spring（rear spring）上浆机 back starching machine退程 back stroke后推拔 back taper后管板 back tube plate后视图 back view后视镜 back view mirror背壁，后壁 back wall背垫熔接 back weld回填材料 back-feed material回填捣塞机 back-fill tamper回手熔接 back-hand welding后部集管箱 back-header背隙弹簧 back-lash spring上浆机 back-sizing machine背向排列 back-to-back arrangement背托 back-up托环，衬垫 back-up ring背托锟 back-up roll背托条 back-up strip背垫熔接联珠 backing bead靠枕 backing block底板 backing board语际翻译 版权所有
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