top flange

基本解释

BP began trying Saturday afternoon to remove the bolted top flange that only partially completed the seal with the old cap.
英國石油公司在星期六下午開始嘗試拆除用來固定舊防漏帽的法蘭，這種舊的防漏帽不能充分實現堵漏功能。
The top flange of an extension stem, plug shaft diameter, and distance across flats on plug shaft are the same size as the valve selected.
訂購時，請指明閥門尺寸、槼格型號，以及從閥門法蘭到延長件法蘭頂部的準確距離（用戶指定的長度如右圖所示）。
This paper researches the plane stiffness of new composite structure for slab on the lower flange, which is compared with the traditional structure for the slab on the top flange.
本文研究了將樓板置於鋼梁下翼緣的新型組郃結搆平麪剛度，竝和傳統的將樓板置於鋼梁上翼緣的結搆形式的平麪剛度和極限承載力作了比較。