本公司产品规格齐全，外形美观，价格低廉，原材料易采购且使用次数多、寿命长。
The company product specification is complete, beautiful shape, low price, easy to purchase raw materials and the use of more, long service life.
沙尘暴是我国北方经常发生的灾害性天气，且近年来发生频率增加，尤其是今年春季沙尘暴次数多、 强度大，对国民经济造成重大损失。
Sandstorm is a frequently occurred disastrous weather in northern China and occurred frequently in recent years with increase in disaster-affected area and loss.
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