A.輕型井點(diǎn) B.電滲井點(diǎn) C.管井井點(diǎn) D.噴射井點(diǎn) E.深井井點(diǎn)法
A.單級輕型井點(diǎn)B.兩級輕型井點(diǎn)C.管井井點(diǎn)D.噴射井點(diǎn)E.深井井點(diǎn)法
A.卷材防水層為一或兩層時,鋪設(shè)卷材防水層時,兩幅卷材短邊或長邊的搭接寬度均不小于100mm B.鋪貼多層卷材時,上下兩層和相鄰兩幅卷材的接縫應(yīng)錯開1/3-1/2幅寬 C.上下兩層卷材可以相互垂直鋪貼 D.陰陽角應(yīng)做成圓弧或45°(135°)折角,并增鋪1-2層相同品種的卷材,寬度不宜小于500mm