问题
混凝土强度等级是依据()强度值划分的。(A)fcu(B)fcp(C)fcu,k(D)fcu,0
混凝土强度等级是依据()强度值划分的。
(A)fcu
(B)fcp
(C)fcu,k
(D)fcu,0
Fatal error: Uncaught [XSException] ../../../usr/local/xunsearch/sdk/php/lib/XS.php(2559): Connection refused(C#111, localhost:8384)
thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559