Scientists do not know why the rock can be separated easily into threads, but they have found thousands of USES for this fireproof material, of the called the "cloth of stone".
科学家们不知道为什么矿石可以轻易地分解成丝，但他们为这种名为“石棉”的防火材料找到了数以千计的用途。
The base cloth is of a knitted cloth made from fireproof man-made fiber and fibers made of other materials in any one way of blended spinning, interweaving and interknitting.
一种防火布料，包括底布， 所述底层布是由防火人造纤维纺制而成的纱线组成；表层面料；
The base cloth is of a knitted cloth made from fireproof man-made fiber and fibers made of other materials in any one way of blended spinning, interweaving and interknitting.
一种防火布料，包括底布， 所述底层布是由防火人造纤维纺制而成的纱线组成；表层面料；
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