生产队的3吨田间流动加油罐,在日常加油中,取油胶管常常伸到油罐的底部,把脏油输入到拖拉机的油箱中,为消除此缺点,第一分场苏联专家建议采用浮式取油法,使取出的燃油总是清洁的。浮式取油法的设备简单、便宜。设备的一根铁管从上部伸入油罐,并且伸入口用木垫把铁管固定 In the daily refueling, the 3 tonne field mobile refueling tank of the production team often extends to the bottom of the tank to input dirty oil into the tractor tank. To eliminate this shortcoming, the Soviet branch of the first sub-division suggested adopting Floating oil extraction method, so that the fuel removed is always clean. Floating oil extraction equipment is simple and cheap. An iron pipe of the equipment extends into the oil tank from the upper part, and the iron pipe is fixed with a wooden pad in the entrance