The floating cushion design gives the fastest stroke reversal possible by providing instantaneous full flow to piston.
浮动缓冲设计提供了最快的行程，提供瞬时全部流向活塞逆转的可能。
2
Same function as DPP-250: frequency control, adjustable stroke, touch heating, positive forming, capsule orientating, image and character register, air cushion heating-seal and chequered plates.