单壳旋转干燥鼓
single-shell rotary dryer
对转双转子电机
anti-direction dual-rotor motor
反转双转轮
counter-rotating double-rotor
机－机双基地雷达
bistatic radar onboard airplane
双机双桨
double engine and double oar
Double Engines and Propellers
双壳旋转干燥器
double shell rotary drier
双转鼓流化床
double rotary drum fluidization bed
双转鼓流化工艺
double rotary drum fluidization process