Conventional dyes are commonly synthetic and originate from petroleum, a non-renewable resource.
传统的合成和染料通常来自石油, 不可再生的资源.
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This Ordinance may be cited as the Oil ( Conservation and Control ) Ordinance.
本条例可引称为《石油 ( 保存及管制 ) 条例》.
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在石油产品的生产中,能耗继续占操作费用中最大的一类.
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OPEC says it produces about forty-five percent of the world's oil exports.
OPEC说它提供了约世界石油输出的百分之四十五.
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Witness the tensions that dog OPEC , the cartel of oil-producing countries.
连石油生产国联盟OPEC都 各自为政, 弓拔弩张.
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The Organization of the Petroleum Exporting Countries ( OPEC ) is founded.
1960年的今天,石油输出国组织 ( OPEC ) 成立.
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Telephone poles and oil rigs stand silhouetted against an orange tinted evening sky in Oman.
电话杆和石油钻塔的轮廓剪影映衬在阿曼橙色的黄昏天空下.
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The alkylation of isoparaffin with olefin is an important process of petroleum processing.
异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.
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石油泄漏造成的环境破环正逐步在路易斯安娜海岸蔓延.
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