A.增加防水劑 B.采用微膨脹 C.提高密實(shí)性 D.加鋪防水卷材
A.鉸鏈 B.滑軌 C.轉(zhuǎn)軸 D.貼臉
A.10~20mm B.15~30mm C.5~15mm D.20~40mm