cover什么意思

cover is open 网络释义 扫描仪盖打开机盖未关闭双语例句：1.Dry clutch cover is open. 干式离合器盖打开。2.The Yearbook Cover Design is open to BVCS students from K to 12. 本校学生幼稚班到十二年级学生都可报名参加年刊封面设计比赛。3.When the utility model is in use, when the cover is open, the permanent magneton the dialing rod on the cover is far from the reed magnetic switch, the switch isdisconnected; 本实用新型使用时，当旋开锅盖时，锅盖拨杆 上的永久磁铁远离干簧磁控开关，开关断开。