常見例句雙語例句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(xiàn)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、規(guī)格型號，以及從閥門法蘭到延長件法蘭頂部的準(zhǔn)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于鋼梁下翼緣的新型組合結(jié)構(gòu)平面剛度，并和傳統(tǒng)的將樓板置于鋼梁上翼緣的結(jié)構(gòu)形式的平面剛度和極限承載力作了比較。 返回 top flange