sleeven.套管;袖子
sleeve flet pad毛毡
sleeve backfill套井回填
sleeveless vest无袖内衬衣
sleeve armature套筒式电枢
sleeve friction侧壁摩阻力
sleeve entrance袖式入口
sleeve actuator滑阀连杆
sleeve monopole套管单极天线
sleeve retainer防松套筒
sleeve coupling套筒联轴节