英语词汇“spring-return directional valve”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	spring-return directional valve
释义	spring-return directional valve 弹簧复位的换向阀
随便看	project period project personnel project phase project plan project planner project planning project planning and scheduling project planning chart project planning decisions project planning for machine planting project planning management project preparation facility project preparation phase project present worth project present worth method project priority project problem method project process project production project programing project programming project progress project (proj) project promoter project promotion 一饭中人产，千金匹马装一饭之德必偿，睚眦之怨必报一饭未曾留俗客，兼金那足比清文。一饮一啄，系之于分。一饮一啄，莫非前定一饱不要忘百饥一饷凝思，两袖泪痕还满。恨私书，又逐东风断。一首新诗一曲琴，单诉着忘餐废寝。一马不背两鞍，双轮岂碾四辙一马不行百马忧岁朝岁末岁杪岁次岁祺岁终岁考岁计岁试岁贡