firefox 2通知的最大问题在于，其中一些方案采用模态对话框强迫用户去回答问题。
The biggest problem with notifications in Firefox 2 is that some of them force the user to answer a question using a modal dialog box.
撑衣框的一边通过圆柱螺旋扭转弹簧的中心孔贯穿在大、小弧夹片的通孔中。
One side of the clothes-supporting frame passes through the centre hole of the cylindrical helical torsion spring to permeate in the through holes of the big arc clip and the small arc clip.
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