涡流式森林车辆防火罩的研制惠桂珍，翁滨，尹晓东（黑龙江省林业科学院）机动车辆在行驶时，通过排气管排出的气体常会带出火花和带火的炭粒，火花和带火炭粒是引起森林火灾的火因之一。据１９７０～１９７９年统计（包括呼盟部分），有７．６％的火因是因各种车辆喷漏火... Development of a Whirl Forest Fire Shield Hui Guizhen, Weng Bin, Yin Xiaodong (Heilongjiang Academy of Forestry) When a motor vehicle drives a vehicle, the gas discharged through the exhaust pipe often brings out sparks and charring particles with sparks and flames Grain is one of the causes of forest fires. According to the statistics from 1970 to 1979 (including the part of the Hohhot area), 7.6% of the fires were caused by various types of vehicles ...