手动流量阀门控制手柄
manual flow gate control handle
手动释放型安全制动器
handwork release safe brake
手动伺服控制阀
manual servo control valve
手动制砖机
manual brick-making machine
远距离手动控制开关
remote manual control switch
制动节能器手动操纵杆
brakesaver manual control lever
智能电手动控制
intelligent electrical hand control
转轮深度手动控制
rotor depth control manual operation