简述阀门ab的作用及工作原理
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Hey ,welcome to my fruit store.We provide a lot of fresh fruits .They are cheep and taste good,most of all they are very fresh.
OK,let me introduice some of my fruits .Have you ever heard the old saying?Eat an apple a day keeps the doctor away.The big apple is 6 yuan per kilo and its on sale now 20% off .Eat aoranges are good for your health .There is a lot of vitamin C in the orange and its cheep 30% on discount per kilo only caots you 4.5 yuan.Bananas are 5yuan per kilo and 8.5% on discount.there comes the pears only 4.8yuan you can have a kilogram and cut down on 6.5%.
Hey ,my favourite fruit is watermalon its yummy.Only 9yuan a kilo and its also
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Hey ,welcome to my fruit store.We provide a lot of fresh fruits .They are cheep and taste good,most of all they are very fresh.
OK,let me introduice some of my fruits .Have you ever heard the old saying?Eat an apple a day keeps the doctor away.The big apple is 6 yuan per kilo and its on sale now 20% off .Eat aoranges are good for your health .There is a lot of vitamin C in the orange and its cheep 30% on discount per kilo only caots you 4.5 yuan.Bananas are 5yuan per kilo and 8.5% on discount.there comes the pears only 4.8yuan you can have a kilogram and cut down on 6.5%.
Hey ,my favourite fruit is watermalon its yummy.Only 9yuan a kilo and its also
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