But this kind of heat preservation material bibulous rate than other materials high, when using, must do the waterproof layer and crack.
但此种保温材料吸水率较其他材料高，使用时必须加做抗裂防水层。
But this kind of heat preservation material bibulous rate than other materials high, when using, must do the waterproof layer and crack.
但此种保温材料吸水率较其他材料高，使用时必须加做抗裂防水层。
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