气缸体专用拉床 cylinder block broaching machine 立式双溜板外拉床 vertical double-apron external broaching machine 卧式连续式拉床 horizontal continuous broaching machine 活塞多工位组合机床 multiple station combined machine for piston machining 转鼓式双面钻镗组合机床 drum type double face drilling and boring combined machine 气缸盖自动线 automatic production line for cylinder head 气缸体自动线 automatic production line for cylinder block 曲轴动平衡自动线 automatic production line for cranshaft dynamic balance 连杆自动线 automatic producti[收起]