double-crank ward cot 双摇柄病床

double-cross leno 全绞式纱罗

double-current generator 双流发电机

double-current key 双流电键

double-current relay 双流式继电器

double-cut file 双纹锉

double-cut plough 双层犁

double-cut shears 双刃剪切机

double-deck bus 两层公共汽车

double-deck exhaust box 双层排气箱

double-deck machine 两层拔丝机

double-deck pallet 双层货盘

double-deck plough 双层犁

double-deck stock wagon 双层家畜车

double-deck twister 双层捻线机

double-deck vibrating sieve 双层振动筛

double-depth plough 双层犁

double-detection receiver 两次检波接收机

double-dial timer 双标度计时器

double-dial 双标度盘

double-die-turning finishing hydraulic press 双模具翻转抛光液压机

double-diffused device 双扩散器件

double-diffused integrated circuit 双扩散集成电路

double-diffused phototransistor 双扩散型光电晶体管

double-diffused transistor 双扩散型晶体管

double-discharge gear pump 双出口齿轮泵

double-discharge pump 双排量泵

double-discharge spiral water turbine 双排量涡轮式水轮机

double-door and dual-temperature refrigerator 双门双温电冰箱

double-door household refrigeration 双门家用冰箱

double-door refrigerator 双门冰箱

double-dragon lampstand 双龙灯座

double-drum boiler 双汽包锅炉

double-drum drier 双滚筒干燥机

double-drum electric block 双滚筒电葫芦

double-drum tilt rig 双滚筒倾斜钻机

double-drum winch 双滚筒绞车

double-duty lube truck 两用润滑油运输车

double-duty regulator 双作用调节器

double-ear fancy colour vase with lotus design 斗彩勾莲双耳樽

double-ear mortar-pan 双耳泥箕

double-eccentric fiber-optic connector 双偏芯光纤连接器

double-edge blade 双面刀片

double-edge chisel 双刃凿

double-edge grinder 双边研磨机

double-edge hacksaw blade 双面钢锯条

double-edge milling cutter 二面刃铣刀

double-edge prunning saw 双边齿修树锯

double-edge safety razor blade 双面安全刀片

double-effect lithiumbromide absorption refrigerating machine 两效型溴化锂吸收式制冷机

double-emitter chopper transistor 双发射极斩波晶体管

double-end fired furnace 两头烧火加热炉

double-end hexagon ring wrench 双头六角扳手

double-end hexagon straight wrench 双头六角直口扳手

double-end mill 双端铣刀

double-end plug gauge 双端塞规

double-end punch 双头冲

double-end scraper 双头刮刀

double-end set screw wrench 双头紧定螺钉扳手

double-end slotting cutter 双头键槽铣刀

double-end socket wrench 双套筒扳手

double-end spark plug wrench 双头火花塞扳手

double-end tungsten iodide lamp 双头碘钨灯

double-end wrench 双口扳手

double-ended boiler 双面燃烧式锅炉

double-ended clamp 双头线夹

double-ended cord 双头塞绳

double-ended gall stone scoop 双头胆石匙

double-ended magnetron 双端出线磁控管

double-ended open jawed spanner 双头开口爪形扳手

double-ended probe 双头探针

double-ended spanner 双头扳手

double-ended wrench 双头扳手

double-ends fabric 双经布

double-entry compressor 双进口压缩机

double-entry pump 双进口泵

double-extraction condensing turbine 双抽气凝气式汽轮机

double-extraction non-condensing turbine 双抽气背压式汽轮机

double-face blanket 鸳鸯毡

double-face carborundum disk 双面金刚砂片

double-face corrugated board 双面瓦楞纸板

double-faced adhesive tape 双面胶粘带

double-faced blacksmith's hammer 八角锤

double-faced embroidery with varied colours and patterns 双面异色异样绣

double-faced embroidery with varied colours 双面异色绣

double-faced embroidery 双面绣

double-faced flocking 双面植绒

double-faced grinding and polishing machine 双面研磨抛光机

double-faced hand saw 双刃手锯

double-faced in head claw hammer 头部八角羊角锤

double-faced in neck claw hammer 颈部八角羊角锤

double-faced pile 双面绒

double-faced satin 双面缎

double-flow reaction turbine 双流反动式涡轮机