你可能感兴趣的试题
垫板长度不小于3跨,厚度不小于50mm 垫板长度不小于2跨,厚度不小于50mm 垫板长度不小于2跨,厚度不小于30mm 垫板长度不小于3跨,厚度不小于30mm
0.5%~1.0% 1.0%~1.5% 1.5%~2.0% 2.0%~2.5%
垫板长度不小于3跨,厚度不小于50 mm 垫板长度不小于2跨,厚度不小于50 mm 垫板长度不小于2跨,厚度不小于30mm 垫板长度不小于3跨,厚度不小于30 mm
主规格尺寸为390mm×190mm×190mm 最小肋厚度不小于25mm 最小外壁厚度不小于20mm 最小肋厚度不小于30mm 最小外壁厚度不小于25mm,