冲制平衡块模具的改进
Improvement on Die for Punched Counter Balance
块平衡
recovery by equilibrium in patch
平衡块紧配螺栓
balance weight fitting bolt
曲轴平衡块
balance weight for crankshaft
相邻曲轴平衡块
adjacent crankshaft counterweight
游梁平衡块
walking-beam counterweight
分块极限平衡
block-dividing limit equilibrium
运行平衡调节模块
run balance regulative module