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；

youdao

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；

youdao