例句與造句

1. The motive is to make the steel volume least , reduce structure cost and speed the promulgation of lightweight steel - structure housing . member sizes may be chosen form discrete aggregate
   方法的最終目的是使結(jié)構(gòu)的用鋼量(即總體積)盡量達(dá)到最小，從而可以降低結(jié)構(gòu)造價，促進(jìn)輕鋼結(jié)構(gòu)住宅的普及推廣。
2. It's difficult to find discrete aggregate in a sentence. 用discrete aggregate造句挺難的