Heat value, moisture, ignition point and ash content are main indexes to affect fire resistance.
热值、含水量、燃点和灰分含量是影响叶的抗火能力的主要指标。
The fire is cupped in black rock and sustained on a smooth breast of ash.
炉火黑色岩石拢在手中，在灰烬的光滑胸脯上跳动着。
The fire is cupped in black rock and sustained on a smooth breast of ash.
炉火黑色岩石拢在手中，在灰烬的光滑胸脯上跳动着。
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