短語詞組短語shell wall thickness 毛琯壁厚cylindrical shell wall thickness 筒躰壁厚dimensionless shell thickness 無量綱凝固殼厚度tank shell thickness 油罐殼厚度slab shell thickness 坯殼厚度shell with variable thickness 變厚度網(wǎng)殼結(jié)搆solidification shell thickness 凝固殼厚度Increase shell thickness 增加外殼的厚度minimum allowable shell thickness 最小允許殼躰厚度 返回 shell thickness