¥81.84¥99.80
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¥20.00¥25.00
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¥120.00¥150.00
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¥31.20¥39.00
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¥16.00¥20.00
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¥47.20¥59.00
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¥28.70¥35.00
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¥31.98¥39.00
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¥32.80¥40.00
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¥89.38¥109.00
污染源普查与产排污核算技术/关伟，黄天才，王毅，曾令友，石利戈编著
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¥48.38¥59.00
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¥54.12¥66.00
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¥36.90¥45.00
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¥64.00¥80.00
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¥38.40¥48.00
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¥56.58¥69.00
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¥36.90¥45.00
Modern Technology of Mining Engineering/何富连，陈见行,张守宝
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¥31.20¥39.00
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¥31.20¥39.00
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