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liang shui jiao chi
Author(s): 
Pages: 18-19
Year: Issue:  10
Journal: Farm Machinery

Keyword:  水泵流量排灌机械水舌位山流量值自由摆动管壁厚度板尺薄钢板出流量;
Abstract: <正>农村社队实行排灌机械定额管理、单机核算,按用水量收费代替按实灌亩数收费.本文介绍的量水角尺可近似地测出水泵流量,比较简单适用.在排灌机械管理工作中,常会遇到测定水泵流量的问题。下面介绍一种测定水泵流量的小工具——量水角尺。
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