propadiene造句

例句与造句

1. Molecular structure of propadiene as seen from ab iintio calculation in quantum chemistry
   丙二烯分子结构的量子化学从头计算
2. 1 - butene for industrial use - determination of trace propadiene adn propyne - gas chromatographic method
   工业用1 -丁烯中微量丙二烯及丙炔的测定气相色谱法
3. It's difficult to find propadiene in a sentence. 用propadiene造句挺难的