New ideas of supply Urumqi energy-saving propulsion | Mutan Ji mechanism to know a new system of rods | 21st Century Venture 
 The thruster is qualified, has also decided to stick acceptable quality or not? The propeller is a vulnerability, the top part of the friction generated by contact with material in the high-speed rotating it face serious wear and tear. Face angle density becomes smaller or the contact surface becomes rough spots, produced by the rods meet the requirements, or even no stick. At this point, we should be taught by factory technicians on propeller repair, to reach the indicators of the technical requirements. As long as the operator (or maintenance personnel) often go to practice, and explore, you can easily grasp. 



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