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[英语专业四级听写训练120篇] 专业四级英语听力120篇 第112期:石油 Petroleum
它是深埋在岩石层下达数百万年的动植物遗体在重压下经年累月形成的。高硫化油比低硫原油需要更多次提炼,因而低硫原油价值更高。2021-04-22 编辑:mike
Severity: Notice
Message: Memcache::connect(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2021-04-22 编辑:mike