double spring drop compass 双簧小圈圆规
double spring hinge 双弹簧铰链 ; 双弹簧绞链
single double spring door [建] 单扇双开弹簧门
Double Spring Bottom Oil Can 复簧底油壶
double-spring 双弹簧
double spring model 双弹簧模型
double spring support 双弹性支撑
double spring element 双弹簧单元
Years to meet the double spring water, years to meet the double spring good farm.
年逢双春雨水多，年逢双春好种田。
Top flap features a tab closure that secures with a "LRL"-embossed double spring-action shield lock at the front.
顶部瓣功能封一个标签，“LRL”浮雕双弹簧行动在前面的盾锁保护。
Based on the mass-period method, a measuring device named double spring inversion pendulum was designed, which could measure the center of mass and moment of inertia of an engine.
基于振动系统质量周期法，设计了一种测试发动机质量参数的双簧倒立摆试验台。
应用推荐