Technical specification for integral pouring concrete filter floor and adjustable nozzle of air - water washing filter 气水冲洗滤池整体浇筑滤板可调式滤头技术规程
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Washing gun with steel cup and adjustable nozzle for spraying water or cleaning agent or also for dusting plants with insecticide 带不锈钢杯和可调喷嘴,适用于喷水或清洗剂,也用于给植物喷杀虫剂。