The type of control for which you add the member variable determines the options that appear in the dialog box.
为其添加成员变量的控件类型决定出现在对话框中的选项。
That horizontal member of the portal frame consists of two longitudinal pre-stressed concrete box type beams overpassing the big span.
两个箱型梁水平构件构成了教室与展区的天花板及地板，并在理论教室和展示区的配置考量下而设计成不同的高度。
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