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■特點：
☆不通孔回轉(zhuǎn)油缸。
☆采用雙活塞，夾緊力大，行程大。
☆是杠桿式輪轂卡盤理想的動力源。
■Specificity:
☆Non-through-hole rotating hydraulic cylinders.
☆Adopting double-piston ,with large gripping force and large stroke.
☆It is the ideal power source for the lever-type hub power chucks.