■特點：
☆不通孔回轉油缸。
☆采用雙活塞，可同時實現現兩種動作。
☆是專用（汽車輪轂）卡盤理想的動力源。
■Specificity:
☆The cylinders are non-through-hole.
☆Adopting double-piston and can achieve two actions at the same time.
☆It is the ideal power source for the special (anto-mobile wheel hub ) chuck.