推土机铲刀倾角操纵杆
bulldozer blade tilt lever
通用推土机推土铲总成
universal bulldozer blade assembly
三导杆推土机控制阀
three-stem bulldozer control valve
操纵杆机构
joy-stick joystick mechanism
空间集中连杆操纵机构
manipulated mechanism with space concentrative link lever
装载机操纵杆锁
loader control lever lock