Angle flange Standard. Flat flange: Specify hole pat-tern. If no drawing provided, flange will be blank.
角法兰标准。平板法兰：指定孔模。如果没有提供的图纸，法兰将为空白。
2
The floor on which he lay seemed to be white, neither warm nor cold, but simply there, a flat, blank something on which to be.
他所躺的地面似乎是白色的，不热也不冷，只是一种存在，一种平平的、空荡荡的东西。
3
The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.