butene造句
2024年05月08日 08:40:18
Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 -
butene.
三氟丙炔和全氟丁烯 -2 在這個區(qū)域也出現(xiàn)雙重譜帶.
Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 -
butene.
三氟丙炔和全氟丁烯 -2 在這個區(qū)域也出現(xiàn)雙重譜帶.
The mass fraction of n -
butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.
醚化后的催化裂化混合C4中含有質(zhì)量分?jǐn)?shù)約為40%的正丁烯,是生產(chǎn)丙烯的優(yōu)質(zhì)原料.