国家重点研发计划项目(2016YFD0400404)和北京市科技计划项目(Z151100001015010)
郑兆启,马季威,杜志龙,许娜,李培刚.负压式生鲜食品包装机设计与试验[J].农业机械学报,2018,49(1):344-351. ZHENG Zhaoqi, MA Jiwei, DU Zhilong, XU Na, LI Peigang. Design and Experiment on Fresh Food Packaging Machine with Negative Pressure[J]. Transactions of the Chinese Society for Agricultural Machinery,2018,49(1):344-351
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