The rebar for the side corbels progressed to Ring 400.
侧面牛腿植筋至第400环侧面牛腿植筋至第400环。
2
In practice, beams have been used to replace corbels in supporting radial gates in some hydraulic projects.
实践中，一些水利工程已经用横梁代替牛腿去支承弧形闸门。
3
Due to its large span, complicated construction of the profiled steel frame and various types of steel supports and corbels, the fabrication is a hard job.