range control-rod operating 控制棒工作范围

valve operating rod 阀操纵杆

operating rod [机] 操纵杆 ; 操作杆

control-rod operating range 调节棒工作范围

adjustable switch operating rod 密贴调整杆 ; 道岔密贴调整杆

gear shift operating rod 换挡操纵杆

auxiliary operating rod 辅助操纵杆

control operating rod 操纵拉杆