喷油头针阀卡死有两种情况：一是针阀在关闭位置卡死，喷油器不喷油，这种情况较少．二是针阀被卡死在田孔开启的位置上，这时喷油雾化不良，严重滴油，造成采油机带It白烟（夫带有昆烟），出现破击声／同时国油幻和高医油往温度四场，当松开该直高压油续时，会有气体从油管中 Needle valve needle stuck in two situations: First, the needle stuck in the closed position, the injector does not fuel injection, this situation is less. Second, the needle is stuck in the open hole field position, then spray bad atomization, a serious drop of oil, resulting in the oil machine with it white smoke (with a funeral smoke), the sound of raid / at the same time the National Oil Magic and high oil to the temperature of four games, when the release of the direct high-pressure oil continued, there will be gas from the tubing