单项选择题
天沟部位铺设沥青瓦采用敞开式铺设时,沥青瓦与金属板材应用沥青胶基材料粘接,其搭接宽度不应小于()
A.80mm
B.100mm
C.120mm
D.150mm
点击查看答案

单项选择题
A.80mm
B.100mm
C.120mm
D.150mm
微信扫一扫,加关注免费搜题