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