titanium group造句
例句與造句
- It is estimated that in the 2009-2010 school year, the Titanium group decided to become environmentally friendly and stop distributing hardcopies, instead deciding to post the newspaper online.
- With the later recognition that the rare earths were mostly trivalent and thorium was tetravalent, Mendeleev moved cerium and thorium to group IV in 1871, which contained the modern carbon group ( group 14 ), titanium group ( group 4 ), cerium, and thorium, because their maximum oxidation state was + 4.
- It's difficult to find titanium group in a sentence. 用titanium group造句挺難的