单词：furfural refining
单词：furfural refining 相关文章
An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made
新东方背诵文选
An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850 s Samuel M. Kier, a manufacturer i
考研背诵50篇
Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kier,
英语小短文
By Catherine Maddux Washington 04 May 2006 The pressure on Sudan's warring parties in the western Darfur region is growing as a third deadline approaches Thursday to reach a peace deal proposed by the
2006年VOA标准英语（五月）
Sudan and Darfur's most active rebel group, the Justice and Equality Movement, has signed a declaration of good intentions in Doha. Qatar has been mediating talks between Khartoum and the rebel group since last Tuesday. Sudanese rebel group JEM lead
VOA标准英语2009年(二月)
By Noel King Debbis, Darfur, Sudan 08 June 2006 The task of urging holdout rebels to sign the Darfur Peace Agreement has fallen to the African Union, which brokered the deal in Abuja, Nigeria. It is a difficult job, and across the region, AU peaceke
2006年VOA标准英语（六月）