The utility model relates to a casement door opening and closing machine.

本实用新型涉及一种平开门开关门机。

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The utility model relates to a door opening and closing machine of a swing door.

本实用新型涉及一种平开门开关门机。

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The leverage of synchronously closing machine is important for multilayer hot-press in forestry industry because its closing precision directly affects products quality.

杠杆式同时闭合机构是人造板工业中多层热压机的重要装置之一，其闭合精度直接影响到产品质量。

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Before Philadelphia Assistant District Attorney Edward Cameron delivered his closing arguments, an examination chair with stirrups, a sonogram machine and other medical devices that were on permanent display in the center of the courtroom during the trial were returned to their place facing the jury box.

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When the machine-building department at Bielefeld's University of Applied Sciences looked in danger of closing, industry drummed up interest among students to keep it open.

ECONOMIST: Germany��s economic model

That step was closing out tests performed on the machines before the elections, which left some test votes still recorded and any affected machine locked up.

NPR: Several States Abandon Electronic Voting for Paper