查询词典 double

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

double ambiguousness：两歧性

双栖性:double-dwelling | 两歧性:double ambiguousness | 双功能:double-function

double anastigmat：双正光镜头

雙正方向投影 double azimuthal map projection | 雙正光鏡頭 double anastigmat | 雙重和,航帶誤差 double summation

double angle bar：双角材

634 双动泵 double acting pump | 635 双角材 double angle bar | 636 双座艇 double banked boat

double angle bar：双角摇杆双角钢

double angle 双角铁 | double angle bar 双角摇杆双角钢 | double angle fomula 倍角公式

double annual ring：复年轮

double acting door 双摇门 | double annual ring 复年轮 | double-cutting bands 双刃带锯

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件