对方形喷洒域摇臂式喷头的喷洒机理进行了深入分析。
The spraying mechanism of a whirl sprinkler with square spray field was analyzed in this paper.
把喷头安装在喷架上，检查喷头转动是否灵活，拉开摇臂看其松紧是否合适，在转动部位加注适量机油。
Spray nozzles installed in the shelf, check whether the nozzle rotating flexible arm started to see the suitability of its elastic, add the site in the rotation amount of oil.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
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