当油毡平行屋脊铺贴时,短边搭接处不小于150mm,长边搭接不小于:()


当油毡平行屋脊铺贴时,短边搭接处不小于150mm,长边搭接不小于:()

A.50mm

B.60mm

C.70mm

D.100mm

正确答案:A


Tag:油毡 屋脊 时间:2023-01-14 16:03:48