Although heat preservation of some systems is good have defects of short lifetime, poor fireproof performance, exterior decoration of which is big to be affected and etc. ;
有的系统虽然保温性好,但存在寿命短、防火性能差、外装饰受外界影响大等缺陷;
Although heat preservation of some systems is good have defects of short lifetime, poor fireproof performance, exterior decoration of which is big to be affected and etc. ;
有的系统虽然保温性好,但存在寿命短、防火性能差、外装饰受外界影响大等缺陷;
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