为了减少锅炉排烟热损失,应把排烟温度降的很低。
错误
暂无解析
Wecannot_____thecountry’stelecommunicationstounqualifiedpeople。
Theconsignmentcertainlydoesnotmatchthesamples____yousentuslastmonth.
PoorspeakerofEnglishthoughhewasatthetime,hestillmanagedtomakehimself________.
除哪项外,下列皆可为血瘀的病因
Wehavetopointoutthatthepostponementofthefulfillmentofthecontract______causeduscertainexpenses.