例句與造句

1. Test method for ramsbottom carbon residue of petroleum products
   石油產品的蘭氏殘?zhí)吭囼灧椒?/li>
2. Standard test method for ramsbottom carbon residue of petroleum products
   石油產品中蘭氏殘?zhí)康臉藴试囼灧椒?/li>
3. It's difficult to find ramsbottom carbon residue in a sentence. 用ramsbottom carbon residue造句挺難的