steering valve spool

同义词释义

1)steering valve spool,转向阀柱塞2)steering control valve spool,转向控制阀柱塞3)steering valve plug,转向阀螺塞4)two-way clamp sleeve plug valve,双向夹套柱塞阀5)piston check valve,柱塞式单向阀6)load piston check valve,负荷柱塞单向阀