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gun perforator
[矿业英汉词典]
是什么意思,gun perforator的解释,gun perforator的翻译
[新英汉石油技术词典] gun perforator
[地质英汉词典] gun perforator
[石油英汉词典] gun perforator
[能源英汉词典] gun perforator
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