琉璃瓦要怎么去辨别优劣
LIULIWAYAOKANWAIGUAN：WAIGUANZHUYAOKANYOUSEDEYIZHIXING，PINGZHENGDU，BIAOMIANDEGUANGZE，GUANGHUACHENGDU，BEIMIANSHAOJIEDECHENGDU，CHANGPAISHANGBIAODENG。
LIULIWAYAOTINGSHENGYIN：FANGFAKETONGGUOTINGQIAOJIDESHENGYIN，QIAOJISHIDELIULIWASHENGYUEQINGCUIWAYUEHAO。GUOBIAODEKANGZHEQIANGDUWEI≥1020N，WOCHANGDEKANGZHEQIANGDUJUNZAI7280N。
LIULIWAYAOKANYOULIE：LIULIWALIEYOUSHIYIGEPUBIANXIANXIANG。RUGUOWACHUXIANLIEHENDEHUA，DONGTIANSHOUDONGHOUJIUHUICHUXIANLIULIWADEYOUCENGBOLITUOLUO，YINCILIULIWAHUISHIQUGUANGZEJIFANGSHUIXINGNENG。JIANCHAFANGFASHIKANWADEBIAOMIANYOUWUXIRUZHUSIDELIEWEN。TEBIEZAILINYUHUOJINSHUIZHANHUICHENHOUHUIGENGJIAMINGXIAN。
LIULIWAYAOKANXISHUILV：LIULIWAXISHUIYUESHAOYUEHAO。XISHUIYUEDUOSHUOMINGWADEKANGDONGXINGNENGCHA。JIANCHADEFANGFASHIBIJIAOGANDEWAYUJINSHUIDEWADEZHONGLIANGCHAE，JIUSHISHUIFEN。GUOBIAOGUIDINGXISHUILV≤12.0%，LIULIWADEXISHUILV3～5%，KANGDONGXINGNENGYOULIANG。