操向滑阀弹簧 directional spool spring

控制滑阀弹簧腔 control spool spring chamber

驱动桥方向滑阀弹簧 transaxle direction spool spring

均衡滑阀弹簧 [铁路] equalizing slide valve spring

节流器滑阀弹簧 restrictor spool spring

滑阀弹簧腔液压油 spool spring chamber oil

滑阀中央弹簧 spool centering spring

滑阀总成弹簧 spool assembly spring