查询词典 double-armed

switch; double-pole double-throw：双极双向开关

"switch; double pole","双极开关" | "switch; double-pole double-throw","双极双向开关" | "switch; double-pole single-throw","双极单向开关"

switch; double-pole double-throw：双极双投开关

双极开关 switch, double-pole | 双极双投开关 switch, double-pole double-throw | 双极单投开关 switch, double-pole single-throw

switch; double-pole single-throw：双极单投开关

双极双投开关 switch, double-pole double-throw | 双极单投开关 switch, double-pole single-throw | 双投开关 switch, double-throw

double-point double-throw switch：双刀双掷开关

double-point crank press 双点曲轴压力机 | double-point double-throw switch 双刀双掷开关 | double-point gear 多点啮合齿轮

double-door drop-bottom bucket：对开底卸料斗

double-disk winding ==> 双盘型线圈 | double-door drop-bottom bucket ==> 对开底卸料斗 | double-double effect ==> 双偶效应

double lever safety valve：双杠杆安全阀

double lens 双透镜 | double lever safety valve 双杠杆安全阀 | double lift double cylinder jacquard 复动式双花筒提花机

double pole mast：双杆轻便井架

double pole double throw 双刀双掷 | double pole mast 双杆轻便井架 | double pole single throw 双刀单掷

double day tide; double tide：双日潮

双链构造 double chain structure | 双日潮 double day tide; double tide | 双落潮 double ebb

double bottom afterward：尾部双层底

double bond 双键接头 | double bottom afterward 尾部双层底 | double bottom center 双层底中心

double alpaca：双面阿尔帕卡呢

double acid phosphate 双料过磷酸钙 | double alpaca 双面阿尔帕卡呢 | double and twist denim 双色纬纱粗斜纹布

local minimum energy：局部极小能量

local mode 局部模式 | local minimum energy 局部极小能量 | local equilibrium 局部平衡

to take a picture：拍照

camera照相机 | to take a picture拍照 | film胶卷