双

double-u groove weld

双U形槽熔接

"double U groove","双U形槽" | "double U groove weld","双U形槽熔接" | "double U-leather packing","双U形皮填料"

double-U but joint

双U形对接

双夹接头;双面搭板接合 double strapped joint | 双U形对接 double-U but joint | 双U形槽{熔焊} double-U groove

doublet magnifier

双合放大镜

doublet lens 双合透镜 | doublet magnifier 双合放大镜 | double trace scope 双迹示波器

doublet structure

双谱线结构,双重结构

doublet separation 双线分离度 | doublet structure 双谱线结构,双重结构 | doublet throw 双掷

dual pumper operation

泵浦车双干线供水

dual line 双线 | dual pumper operation 泵浦车双干线供水 | dual purpose 双用途的

dual frequency operation

双频操作

双盘浮船|double deck pontoon | 双频操作|dual frequency operation | 双平方根方程|double-square-root equation

dual frequency operation

双频工作

双频[率]单工 dual-frequency simplex | 双频工作 dual frequency operation | 双频手机 dual-band mobile phone

dual system pump

双系统泵

dual synchro auto speedheading 双同步自动速度航向 | dual system pump 双系统泵 | dual tandem articulated double reduction gearing 双列链式二级减速齿轮装置

dual trace oscilloscope

双线示波仪

dual trace amplifier 双线放大器 | dual trace oscilloscope 双线示波仪 | dual tracer ejector 双示踪剂喷射器

dual-purpose

双用途的

dual pumper operation 泵浦车双干线供水 | dual purpose 双用途的 | dual wheel 双轮

tweedle dumber：这个看不懂,有什么寓意吗

36.see you have pulled看见你被骂啦?(这个看不懂希望高手帮助) | 37.tweedle dumber这个看不懂,有什么寓意吗? | 38.let go of me放开我

collegium：社团

Collegia mercatorum 商业团体 | Collegium 社团 | Colonia 殖民地,垦殖区