[新英汉石油技术词典] double acting

[农牧林英汉词典] double acting

[机械英汉词典] double acting

[海运英汉词典] double acting

[电信英汉词典] double acting

[电力英汉词典] double acting

[石油英汉词典] double acting

[航海英汉词典] double acting

[船舶英汉词典] double acting

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