n-tupling造句

例句与造句

1. As a result of a research , service life ( gets red rust ) of galvanized steel is 15 - 18 years around countryside , 3 - 5 years around industry region ， which is n - tupling even ten - tupling than a normal steel
   经研究，在镀锌量350克平方米（单面）时，镀锌钢板在屋外的寿命（生红锈） ，田园地带约为15一18年，工业地带大约3一5年，这比普通钢板长几倍甚至十几倍。
2. It's difficult to find n-tupling in a sentence. 用n-tupling造句挺难的