用刷子将窗户拖一遍，保持一点角度以使多余的水可以导下。
Pull the squeegee across the window at an Angle to direct excess water down.
介绍三压导纸辊轴装式齿轮减速机直联传动的缺点，并将其改装为三角皮带传动的措施。
The V-belt drive took place of the direct connect drive was the main modification measure.
介绍了整流装置的功率因数的特点，分析了导通角的控制方法。
The Method of Group-Control for Electronic Ballasting of the High Power Factor;
介绍了整流装置的功率因数的特点，分析了导通角的控制方法。
The Method of Group-Control for Electronic Ballasting of the High Power Factor;
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