例句與造句

1. Note : 20 # and22 # flat bulb steel are quality certificated by different classification societies from germany , united kingdom , france , norway and usa , and etc
   備注： 20 # 、 22 #球扁鋼分別獲得西德、英國(guó)、法國(guó)、挪威、美國(guó)等國(guó)家船級(jí)社認(rèn)可。
2. It's difficult to find flat bulb steel in a sentence. 用flat bulb steel造句挺難的