1) supplemental steering relief valve
辅助转向安全阀
2) steer cylinder auxiliary relief valve
转向油缸辅助安全阀
3) secondary relief valve
辅助安全阀
4) supplemental steering valve
辅助转向阀
5) secondary brake relief valve
辅助制动安全阀
6) supplemental steer valve group
辅助转向阀组件
参考词条