肥液pH值和电导率测量仪的设计与试验
冯瑞珏,王智东*,李志锋
Design and experiment on fertile solution pH value and electrical conductivity measuring instrument
FENG Ruijue,WANG Zhidong*,LI Zhifeng
排灌机械工程学报
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2020, (6): 643
-648
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DOI: 10.3969/j.issn.1674-8530.19.0246〓 开放科学(资源服务)标识码(OSID):〓
