查询词典 double back

double-bank switch：双触排开关

double switch call 双转换呼叫 | double-bank switch 双触排开关 | double-break switch 双断开关

double-bank switch：双属排开关

"double-balanced relay ","双平衡式继电器" | "double-bank switch ","双属排开关" | "double-beam oscilloscope ","双线示波器"

double-barrel separator：双筒分离器

双弧 double-arc | 双筒分离器 double-barrel separator | 双基火药 double-base powder

double-barrel transversostomy：横结肠双腔造瘘术

double-bank switch 双触排开关 | double-barrel transversostomy 横结肠双腔造瘘术 | double-barrel-mud gun 双筒泥炮

double-barreled：双管的

double-acting 双动的 | double-barreled 双管的 | double-breasted 双排钮扣的

double-barreled microelectrode：双管缴电极

double anastomosis forceps 双吻合钳 | double-barreled microelectrode 双管缴电极 | double beam microspectrophotometer 双光束显微分光光度计

double-barreled capstan：双卷筒绞盘

双动手摇绞盘 double-acting capstan | 双电枢马达 double-armature motor | 双卷筒绞盘 double-barreled capstan

double-barreled carburettor：双重汽化器

double-action hydraulic cylinder 双作用液压油缸 | double-barreled carburettor 双重汽化器 | double-ended grinder 双头砂轮机

double-barrelled：双管枪; 双管炮

double bar 乐谱上之双纵线 | double barrelled 双管枪; 双管炮 | double bass 低音提琴

double-bitt：双重带缆柱

double-bevel butt weld K形坡口对接焊缝 | double-bitt 双重带缆柱 | double-bladed knife switch 双闸刀开关

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影