Each recipient of a spam, however, in the absence of prior filtering, must press his own "Delete" button to get rid of the message.
然而，在缺少预先过滤的情况下，每个垃圾邮件的接收者必须按自己的“Delete”按钮来删除垃圾消息。
The process of separating wax from oil by first chilling (to help form wax crystals) and then filtering under pressure in a plate and frame press.
从油中分离石蜡的过程，首先进行冷冻(帮助生成石蜡晶体)，然后用板框式压滤机在压力下进行过滤。
The test result showed that the dewatering of the classified fine fraction tailings by the existing filter press resulted in increased product moisture and filtering time.
试验结果表明，分级后的细粒级尾矿利用现有的压滤机脱水，产品水分和压滤生产时间都增加。
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