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...
不大的教堂墓地周边围着一圈生锈的熟铁栅栏。The small churchyard was surrounded by a rusted wrought-iron fence.我到达的时候，侄子们围着我嘘寒问暖。When I arrived my nephews made a big fuss of me.有1,000多人围着约克谷地骑行了100英里。Over 1000 riders cycled 100 miles around th...
Cartons of Chinese food were arrayed on a large oak table.在一张宽大的橡树桌上摆放着一盒盒中式食品。She was arrayed in a black velvet gown.她穿着一件黑色天鹅绒长礼服。Dartie, who had travelled to Newmarket the night before, arrayed himself in spotless che...
It has been skilfully renovated by the present owners.现在的主人非常巧妙地将其翻修了。Hall skilfully weaves the historical research into a gripping narrative.霍尔巧妙地把历史研究揉进了扣人心弦的故事叙述.Enthusiasm alone won't do . You've got to wor...