tilt pilot lever 倾斜先导控制杆

tilt pilot valve lever 倾斜先导阀杆

pilot valve control lever 先导阀操纵杆

pilot valve lever 先导阀杠杆

pilot control lever 先导装置操纵杆

torque rise pilot valve lever 增扭先导阀杆

pilot control lever position 先导操纵杆位置

lift pilot valve lever 提升器先导阀操纵杆

pilot control lever pivot center 先导操纵杆枢轴中心线