短語詞組短語rigid d support 剛性支承ameliorated continuous rigid -support beam method 改進剛性支承連續(xù)梁法intermediate rigid support 中間剛性支承Rigid Support Rails 剛性支架semi -rigid support 半剛性支撐rigid support continuous girder 剛性支承連續(xù)梁flexible and rigid support 柔性支護與剛性支護rigid point of support 剛性支點 返回 rigid support