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筒井是沙地牧场中人畜供水的重点工程设施之一。沉沙射流筒井施工的主要机具包括水枪、沉沙盘、射流泵等。施工工艺主要有沉沙凿井施工、射流施工、井中井施工。此工艺适用于浅水沙地地区的筒井施工。
Drilling wells is one of the key engineering facilities for water supply to livestock and poultry in sandy pastures. Sediment jet tube well construction of the main equipment, including water cannons, sand table, jet pump. The construction process mainly includes sinking and shaving construction, jet construction and well construction. This process is suitable for shallow silt sand area construction.