[新英汉石油技术词典] delta

[英中医学辞海] delta

[农业英汉词典] delta

[英汉地理大词典] delta

[地质英汉词典] delta

[地质学英汉词典] delta

[水利英汉词典] delta

[水利科技英汉词典] delta

[汽车英汉词典] delta

[海洋科学英汉词典] delta

[海运英汉词典] delta

[环境英汉词典] delta

[生物学英汉词典] delta

[电信英汉词典] delta

[电力英汉词典] delta

[石油英汉词典] delta

[能源英汉词典] delta

[航海科技英汉词典] delta

[航空英汉词典] delta

[船舶英汉词典] delta

[计算机英汉词典] delta

[英汉计算机词汇] delta

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