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新东方优美背诵短文50篇 Unit35: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 1850s Samuel M. Kier, a manufacturer i

发表于:2018-12-08 / 阅读(433) / 评论(0)

新概念优美背诵短文50篇

新东方背诵文选 L35.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

发表于:2018-12-15 / 阅读(217) / 评论(0)

新东方背诵文选

考研背诵50篇——35.Oil Refining

发表于:2018-12-30 / 阅读(104) / 评论(0)

考研背诵50篇

英语短文：Oil Refining

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,

发表于:2019-01-08 / 阅读(83) / 评论(0)

英语小短文

双语有声阅读：炼油

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. Kie

发表于:2019-02-25 / 阅读(92) / 评论(0)

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4-H'er

abdominal delivery

adjustable speed motor