cushion-hitch levelling valve  缓冲-挂接调平阀

frame levelling valve  车架水平调节阀

frame levelling valve spool  车架水平调节滑阀

Leveling Valve  高度调整阀

suspension levelling valve  悬挂水平调节阀

frame levelling control valve  车架水平调节控制阀

frame levelling cylinder lock valve  车架水平调节油缸锁定阀

frame levelling pilot valve  车架水平调节先导阀

levelling blade control valve  平地铲控制阀

levelling pilot valve  平地先导阀

gas valve valve seat  气门-门座

valve-valve base  气门-气门座

Valve-valve seat  气门-气门座

Leveling Adjuster， Leveling Feet  水平调节脚

auxiliary valve relief valve setting  辅助阀安全阀调定

bell- shaped valve cup valve  钟形阀; 杯形阀

blade control valve relief valve  铲刀控制阀安全阀

brake valve relief valve  制动阀安全阀

butterfly valve + non-return intake valve  蝶阀+止回阀式进气阀