Double screen 双屏幕; 双屏
double screen left impeller 双屏、提升搅拌器
double screen printing machine 双面绢网印花机
double-screen display 双屏显示
double deck screen 双层筛
double layer fluorescent screen 双层荧光屏
double sector screen 重扇型屏卫
double-layer screen 双层屏
Double-lenticular screen 双凸透屏
double-slit light screen 双缝光幕靶
double double iron 八叠板
“double-seat double-vote” system 双议席双票制
ball mill with double-inlet and double outlet 双进双出钢球磨煤机
cationic double-chamber double-layer float bed 阳双室双层浮动床
COAL PULVERIZER WITH DOUBLE INLET AND DOUBLE OUTLET 双进双出磨煤机
double blind double dummy 双盲双模拟
Double blind double dummy randomized controlled clinical trial 随机双盲双模拟对照试验
double bus bar with double sectionalized bus bars 双母线双分段接线
Double Busbar and Double Segment 双母线双分段
Double Chambers and Double Layers 双室双层