通过野外点火试验测定了各可燃物类型的初始引燃含水率。
Based on the field ignition experiment, the initial ignition moisture of different fuel type was obtained.
以各可燃物类型的初始引燃含水率为基准，将各可燃物类型的火险等级划分为五级。
Five fire danger ratings of fuel types were classified on the basis of initial ignition moisture.
以各可燃物类型的初始引燃含水率为基准，将各可燃物类型的火险等级划分为五级。
Five fire danger ratings of fuel types were classified on the basis of initial ignition moisture.
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