青云翻译

Log fires is based on the principle of friction heat generated. Wood raw material itself is more rough, the friction, the friction will heat a larger, combined with wood itself is flammable, so it will give birth to the fire. The invention of fire by rubbing sticks from China's ancient myths and leg

Drilling wood fire is generated in accordance with principle of friction heat build-up. Wood raw material is a coarser, friction, greater friction generates heat, combined with the wood itself is flammable, so they can take their fire to. Drilling wood fire invention comes from myths and legends of

Makes fire by boring a hole in wood is produces according to the friction heat generation principle.Wooden raw material itself is rough, when friction, the friction force compares the congress to have the quantity of heat, adds lumber itself is the combustible, therefore can fresh get angry.Makes fi

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Drilling wood fire is generated in accordance with principle of friction heat build-up. Wood raw material is a coarser, friction, greater friction generates heat, combined with the wood itself is flammable, so they can take their fire to. Drilling wood fire invention comes from myths and legends of