• 2021-04-14
    在气液阻尼缸的“快进-慢进-快退”变速回路中,当活塞杆前进到撞块压住阀4,油路断开,B腔油由( )流入A腔,实现慢进。http://edu-image.nosdn.127.net/9CEE7EDD7F8761B5134A58BC130885D1.png?imageView&thumbnail=890x0&quality=100