例句與造句

1. electric cables-300 500 v screened electric cables having low emission of smoke and corrosive gases when affected by fire, for use in walls, partitions and building voids-multicore cables
   電纜.墻隔墻和建筑物空間中使用的著火時(shí)有低排煙量和腐蝕氣體釋放的300500v屏蔽電纜.多芯電纜
2. It's difficult to find building void in a sentence. 用building void造句挺難的