indirect extinguishing 在不能直接灭火时,把通往火区的所有巷道砌筑防火墙,封闭火区,使火渐渐熄灭的作业
此类林型单位面积释放热量较高、林火火线强度较大，适于采取间接灭火法进行扑救。
The heats of per fire area from these types were higher and the fire intensity was greater, which was adopted to take fire indirect extinguishing.
以火攻火战术是在森林火灾扑救中一种比较有效的间接灭火方法，但以往单独应用以火攻火战术存在着点烧不准确、不能进行长距离点烧等不足。
Controlling forest fire with fire is an indirect and effective method. But only using this method had some disadvantages, such as inaccurate ignition and not being able to ignite at long distance.
炮管、气室、推动气缸、俯仰机构、转台和各部分连接件都要直接或间接承受冲击载荷，该载荷是灭火炮构件设计的主要依据。
The load impact which mainly determined the designation directly and indirectly put on the tube, gas chamber, pushing air cylinder, pitching machine, revolver and connecting parts.
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