问题之一是对机场员工的安检措施马虎松懈。One of the problem areas is lax security for airport personnel.松懈的保安措施使小偷有机可乘.Lax security allowed the thieves to enter.你不要松懈.You must not relax in your efforts....
介绍浮选机矿浆液位控制系统及其工业试验过程.Expounds liquid level control system of flotation machine and its industrial test.与XHF浮选机联合使用可形成水平布置的浮选系统.When combined with XHF , it may consist a horizontal flotation system.这一新工艺是在具有边磨边浮功能的塔式磨矿浮选...
The specified number exceeds the approver's count at this step.在此步指定的人数超出批准者人数.The certification is invalid without the signature of appraiser , checker and approver.鉴定书无主检、审核、批准签字无效.Of no effect without main check....