| 1. | They can be found in circular cast houses of blast furnace , in oil - sealed dry gasholders and in workshops with curved cranes . cross sections of these curved members are of various types , such as il - shaped , i - shaped , channel , box and h section without any symmetrical axis 曲线梁在工业和民用建筑中也常有应用,在高炉环形出铁场、干式煤气柜内部结构以及某些有工艺要求的厂房内,常需采用不同截面形式的环形曲梁。 |