flat bulb steel造句

例句与造句

1. Note : 20 # and22 # flat bulb steel are quality certificated by different classification societies from germany , united kingdom , france , norway and usa , and etc
   备注： 20 # 、 22 #球扁钢分别获得西德、英国、法国、挪威、美国等国家船级社认可。
2. It's difficult to find flat bulb steel in a sentence. 用flat bulb steel造句挺难的