转向杆柄 steering lever handle

转向指示柄 indicator switch

转向选择器手柄 directional selector lever

转向操纵手柄 steering control handle

转向锁手柄 directional lock lever

转向控制手柄位置 direction control lever location

转向控制手柄 direction control lever

方向转动的曲柄 crossed parallelogram