查询词典 double acting

double-V butt joint：双面

double V butt joint 双面V形对焊接 | double v butt joint 双面 | double V groove with root face 带纯边的X形坡口

double butt strap：双搭板

647 双层床 double bunk | 648 双搭板 double butt strap | 649 双向搭板接合 double butt strap joint

double butt strap：双接贴板

double butt strap joint 双对接搭板接合 | double butt strap 双接贴板 | double cabin 双人客舱

aerial double cableway, double cable railway：架空双缆道、双缆道

aerial double cableway 空中双缆道 | aerial double cableway, double cable railway 架空双缆道、双缆道 | aerodynamic 空气动力的

double cabochon：双弧面型

double brillant cut 相似多面型 亦称Lisbon cut(里斯本琢型) | double cabochon 双弧面型 | double cut brillant 相似琢型多面型

double-dry calorimeter：双干式热量计

double crystal probe,双振子探头 | double-dry calorimeter,双干式热量计 | double-focusing mass spectroscope,双聚焦质谱仪器

double button carbon microphone：双钮炭精盒传声器

double bunk bed 双层床 | double button carbon microphone 双钮炭精盒传声器 | double button microphone 双钮传声器

double button carbon microphone：双钮碳粉麦克风

双叶快门 double-blade shutter | 双钮碳粉麦克风 double-button carbon microphone | 双座管灯 double-capped tubular lamp

DOUBLE CARRICK BEND：双花大绳接结

double capstan 双卷筒绞盘 | double carrick bend 双花大绳接结 | double cascade 双重级联

double cashmere：开士米双层织物

double carpet 双层地毯 | double cashmere 开士米双层织物 | double casing volute pump 双壳旋涡泵

steel,hypoeutectoid：亚共析钢

"steel,hypereutectoid","过共析钢" | "steel,hypoeutectoid","亚共析钢" | "steel ingot","钢锭"

midpoint tap：中心抽头=>中间抽头

midpoint rule 中点法则 | midpoint tap 中心抽头=>中间抽头 | midrange lateral acceleration handling maneuver 中等横向加速转向运动