Its main components include propane, butane and butylene.主要成份是丙烷 、 丁烷、丁烯等.Catalytic oligomerization of remain butylene is a way for enterprises to rebottle andpotentialities for more benefits.剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径.By m...
新教皇的选举the election of a new pope当我在看罗马教皇的卡通时也有同感.I had the same feeling when l saw a comic book about the Pope.他关于教士的贫穷的书在教皇的宫殿不受欢迎.His book on the poverty of the clergy isn't favored reading in papal palaces....