A、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">自重大，强度低</span></span></p><p></p>
B、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">隔声、绝热差</span></span></p><p></p>
C、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">施工效率低</span></span></p><p></p>
D、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">烧制耗能大，取土占农田</span></span></p><p></p>