double-screw continuous mixer 双螺杆连续混合机
double-screw conveyor 双螺杆输送机
double-screw extruder 双螺杆挤出机
double-screw mixer 双螺杆混合器
double-screw open and close machine 双螺杆式启闭机
double-screw plastic extruder 双螺杆塑料挤压机
double-screw plodder 双螺杆压条机
double-screw pump 双螺杆泵
double-screw reactor 双螺杆反应器
double-screw tuner 双螺旋调谐器
double-seat sTOP valve 双座截止阀
double-seat valve 双座阀
double-section filter 两节滤波器
double-shared double wheeled plow 双轮双铧犁
double-shed jacquard 双梭口提花机
double-side carbon paper 双面复写纸
double-side cementing machine 双面粘合机
double-side coated art printing paper 双面铜版纸
double-side hacksaw blade 双面刃钢锯条
double-side milling cutter 两面铣刀
double-side planer 双面刨床
double-side saw 双面锯
double-side sealing machine 双边封口机
double-side terry fabric knitting machine 双面毛圈织物针织机
double-side tipping wagon 双边倾卸车
double-side wood planer 双面木工刨床
double-sideband signal generator 双边带信号发生器
double-sideband suppressed carrier modulator 双边带抑制载波调制器
double-sideband transmitter 双边带发射机
double-sided automatic blanking and forming press 双边自动冲压和成形压机
double-sided board 双面板
double-sided compressor 双面进充气压力气机
double-sided diskette 双面软盘
double-sided drawing press 双边拉压机
double-sided floppy 双面软磁盘
double-sided four-point press 双边四点重压机
double-sided high speed press 双柱高速重压机
double-sided khaki 双面卡其布
double-sided loop pile fabric 双面毛圈起绒织物
double-sided needling loom 双面针刺机
double-sided plate trimming shears 双边修边剪切机
double-sided plush 双面绒
double-sided printed circuit board 双面印刷电路板
double-sided socket 双向插座
double-sided spinning machine 双面纺丝机
double-sided transfer presses 双点传输重压机
double-size wash tub 双料大型洗衣盆
double-skip hoist 双翻斗卷扬机
double-speed electric hoist 双速电升降机
double-speed manual hydraulic press 双速手工液压机
double-speed synchronous motor 双速同步电动机
double-spindle contour copying milling machine 双轴平面仿形铣床
double-spindle hammer crusher 双轴锤式轧碎机
double-stage air pump 双级空气泵
double-stage ammonia refrigerating machine set 双级氨制冷机组
double-stage compressor 双级压缩机
double-stage turbine 双级涡轮机
double-stage vortex pump 双级旋涡泵
double-step vortex dust remover 双级涡旋除尘器
double-strand mill 双线轧机
double-strand pig machine 双链式铸铁机
double-strand winder 双束绕丝机
double-stroke solid-die automatic cold header 双击整模自动冷镦机
double-stub tuner 双短线调谐器
double-suction centrifugal pump 双吸离心泵
double-suction pump 双吸泵
double-suction ventilator 双吸口通风机
double-surface transistor 双面晶体管
double-surface wood planer 双面木工刨床
double-swiveling uncoiler and recoiler 并列回转式开卷-卷取机
double-table transfer printing press 双面转移印花压烫机
double-tariff system meter 双价制计
double-thickness sheet glass 双厚窗玻璃
double-thread hob 双头滚刀
double-throw crank-shaft 双弯曲轴
double-throw disconnecting switch 双掷隔离开关
double-throw switch 双掷开关
double-tip baler 双嘴打包机
double-tool cross-slide 双刀横向滑板
double-tool holder 双刀刀架
double-trace scope 双迹示波器
double-track skip hoist 双料斗卷扬机
double-transit oscillator 双渡越振荡器
double-tread tyre 双胎面汽车轮胎
double-trough type mixer 双槽式拌和机
double-tube biologic microscope 双筒生物显微镜
double-tube bracket light support 双筒壁灯架
double-tube converter 双套管转换器
double-tube core barrel 双筒取心筒
