这非常,非常地接近融点。
夹套中可通入蒸汽或一定温度的液体,防止高融点液体产生结晶。
Jacket can access certain temperature steam or liquid, high melting point to prevent the crystallization of liquid generated.
现有大机组用煤约有半数属易结渣煤,主要动力煤产区也富藏低灰融点煤种。
About half of the coal used in large capacity unit belongs to coal easy to stick ash.
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