double zone gas producer 两段煤气发生炉double zone lotion 双层化妆水double-8mm movie camera 双八毫米活动摄影机double-acting air compressor 双动式空气压缩机double-acting brushing m...
double-channel Mossbauer spectrometer 双通道穆斯堡尔光谱仪double-channel nitrogen laser 双通道氮激光器double-channel planar buried heterostructure laser 双通道板状掩埋式异质结构激光...
docosane 二十二烷docosoic acid 二十二烷酸doctor blade 刮墨刀片doctor grinding machine 磨刮刀机doctor knife 刮刀doctor roll 刮刀辊doctor sausage 掺料香肠doctor 印花刮刀doctor's ...
domestic fowl and pheasant feather 家雉鸡毛domestic fowl and pheasant skin 家雉鸡皮domestic fuel oil 民用燃料油domestic gasoline 民用汽油domestic glassware 日用玻璃器皿domes...
Doppler ultrasonic angiograph 多普勒超声血管显像仪Doppler ultrasonic blood pressure monitor 多普勒超声波血压监测器Doppler ultrasonic diagnosis apparatus 多普勒超声诊断仪Doppler ul...
double boiler 双层锅double bond 双键double border lace 双面边纹花边double bottom tank 双层底油仓double bracket 双支架double brim calot of wool felt trimmed with feathers...
double convex ring 双凸环double cooling and heating back counter reshaping machine 双冷热式鞋后跟整形机double copper-wire crosstalk suppression filter 双铜线串音抑制滤波器do...
dissecting forceps 解剖镊dissecting hook chain 解剖链钩dissecting knife 解剖小刀dissecting microscope 解剖显微镜dissecting needle 解剖针dissecting probe 解剖探针dissecting s...
Dobcross loom 链式多梭箱织机Dobrowolsky generator 三线式发电机dobutamine 多巴酚丁胺dobutrex vial 注射用独步催Docdo 帆船牌手表dock block 倒装辘轳dock leveler 装卸跳板docken silk 成绞生丝dockgl...
distortionless pad 无失真衰减器distreptoniazide 双链烟肼distress-calling auto-sender 遇难信号自动发送器distributed air conditioner 分布式空调器distributed amplifier 分布式放大器dist...