双进双出球磨机正压直吹式制粉机组
double in-let and double out-let coal mill
双镜式辐射高温计
two-mirror-type radiation pyrometer
双卡便携式收录两用机
two-deck portable recorder-receiver
双卡瓦可回收式套管封隔器
double grip retrievable casing packer
双孔悬臂梁电阻应变式传感器
double-hole cantilever strain sensor
双馈感应式风力发电机
doubly-fed induction generator
双馈式感应发电机
double fed induction generator
doubly-fed induction generator(DFIG
双冷热式后跟定型机
double cold and hot heel-shaping machine
双冷热式鞋后跟整形机
double cooling and heating back counter reshaping machine