With proper venting, the injection speed could be increased to achieve good fill and pack conditions, without having to raise the barrel and nozzle heats, improperly.
有了适当的排气，射速可以提高，充填和保压可达良好状态，不须过度增加料管和喷嘴的温度。
2
Provide Marine Engine Parts, such as Plunger & Barrel, Nozzle, Delivery Valve, Bearing, Sealing Bush, Exhaust Valve, Inlet Valve, Valve Seat, etc.