例句與造句

1. For steel members received these treatments , rolled scale , rusted attachments are erased into punctual blotch , and sliver gray metal is exposed instead
   這樣處理后的構(gòu)件表面軋制氧化皮、銹和附著物殘留在鋼材表面的痕跡已是點(diǎn)狀的輕微污痕，構(gòu)件表面露出銀灰色的金屬光澤。
2. It's difficult to find roll scale in a sentence. 用roll scale造句挺難的