bm=1d Double end studs--bm=1d 双头螺柱
bm=2d Double end studs bm=2d 星载合成孔径雷达; 双头螺柱
double end 15 degree angle wrench 双头15度斜口扳手
double end adjustable spanner 双头可调扳手
double end adjustable wrench 双头可调扳手
double end bolt 双端螺栓; 双头螺栓
double end face grinder 双端面磨床
Double end face seal centrifugal pump 双端面密封离心泵
double end flat die thread rolling 双头搓丝
Double end forward converter 双正激变换
Double End Grinding 双端面磨削
double end punch 双头冲
double end queue 双端队列
double end shear 两端剪
double end spinning 双头纺
double end tool 两头雕塑工具
double end tool post wrench 双头刀架扳手
double end wrench 双头板手
Double-end 双头的