新概念英语四 The search for oil搜索结果-280文秘网

#新概念英语四 The search for oil 搜索结果

新概念英语四 The search for oil
Lesson13Thesearchforoil探寻石油Thedeepestholesofallmadeforoil，andtheygodowntoasmuchas25，0000feet.Butwenotneedtosendmendowntogettheoilour，aswemustwithothermineraldeposits.Theholesareonlyborings，lessthanafoo
02-06

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