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挤奶设备.词汇
Milking machine installations.Vocabulary
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畜禽养殖污水贮存设施设计要求
Design specifications for waste water storage facility of animal farm
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畜禽舍纵向通风系统设计规程
Design requirements of tunnel ventilation system for animal housing
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散装乳冷藏罐
Refrigerated bulk milk tanks
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