The telephone wires were blown down by the rainstorm.
电话线被暴风雨刮落
。
The telephone wires were blown down by the rainstorm.
电话线被暴风雨刮落。
Backwashingable filter can blow down at any moment and backflush the filter without pumping off,which improves the application effect,reduces the cost and elongate the working life.
可反清洗过滤器在不停泵的情
时排污和对过滤层进行反清洗作业,
高
效果,降低成本,延长寿命。
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