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  Whether our company is it recruit all kinds of job personage to need, person who have interest can please write letters one photo and expect wages (is it is it apply for the post tomorrow to fix one's eyes on at envelope to ask ) mail to the following address. Town leap way of new bridge of Jingjiang of Jiangsu Human Resource Department accepts on the 96th Postcode: 214537 E-mail : info@fy-pump.com  
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10.The survey (as the medium with the branch water ) of the total lift of the pump
9.Pump vapour lose
8.How to calculate the input cost which is purchased the pump
7.The selecting type demand for the pump
6.Lubricating grease --Economical and practical mechanical lubricant
5. The main technical feature of the valve
4. Trouble , reason and the solution
3. What is a characteristic curve of a pump? What is the pump?What is the surplus that vapour lose? What is it inhale Cheng to ask?
2.What is called the specified flow , specified rotational speed, the specified lift?
1.The correct operating sequence of the pump? The operation principle of the centrifugal pump?