1) auxiliary valve relief valve setting
辅助阀安全阀调定
2) secondary relief valve
辅助安全阀
3) secondary brake relief valve
辅助制动安全阀
4) supplemental steering relief valve
辅助转向安全阀
5) relief valve setting
安全阀调定
6) steer cylinder auxiliary relief valve
转向油缸辅助安全阀
参考词条