下载APP
【多选题】
有关雨水悬吊管的说法,下列哪项是正确的()。
A.
悬吊管管径不得小于连接管管径
B.
悬吊管管径不应大于200mm
C.
塑料管坡度不小于0.005
D.
铸铁管坡度不小于0.01
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】On the heels of E1 , its opposite, La may soon arrive. In a Weekly Update, scientists at the NOAA Climate Prediction Center reported that as the 2006-2007 E1 faded, surface and subsurface ocean temper...
A.
the area most seriously hit by La
B.
the first area influenced by La
C.
the only area monitored by satellites
D.
the biggest area with a complex climate
【单选题】On the heels of E1 , its opposite, La may soon arrive. In a Weekly Update, scientists at the NOAA Climate Prediction Center reported that as the 2006-2007 E1 faded, surface and subsurface ocean temper...
A.
frequency
B.
intensity
C.
duration
D.
route
【多选题】悬吊管安装的安装应符合哪些要求：（ ）。
A.
悬吊管的设置应首先选择以立管为中心，侧向对称布置方式；如不可能，可选择单侧布置方式。
B.
悬吊管与雨水斗出口的高差宜大于1m。
C.
悬吊管可无坡度敷设，但不得倒坡。
D.
悬吊管不宜穿越建筑物的膨胀缝、沉降缝和抗震缝，如必须穿越，应采取必要的补偿措施（设置伸缩器）。不宜穿越防火墙，如必须穿越需加防火套管或者阻火圈。