... technology. Heat resistance and abrasion resistance are enhanced. 3. The device can adjust the flow fromexcavator and power source, so it can adju...
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... and distortion resistance , which can better solve the problems of " around the , corner by corner " installation difficulties ; 2 . ...
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... by adjusting high hardness brass casting process to further raise the bearings hardness,maximizing both its load bearing capacity and wear-...
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