单词	drawbar spring
释义	drawbar spring 牵引杆缓冲弹簧
随便看	working ratio working reactance working record working reduction ratio working reference working reference plane working reference point working reference solar cell working reference system working reference telephone circuit working regime of economic hydraulic horsepower working regime of jet drilling working regime of the maximum jet impact force working regime of the maximum jet velocity working regime of the maximun jet impact force working region working region for hyperbolic navigation system working register working register group working registration form working regulation working relation working relationship working reliability working, repairingreinstating