为特定用途选择耐火材料时，要考虑其质地、抗碎强度和成分。
FOR a particular use, we should consider the texture, the crushing strength, and the chemical composition of the material.
为特定用途选择耐火材料时，要考虑其质地、抗碎强度和成分。
In selecting a refractory FOR a particular use, we should consider the texture, the crushing strength, and the chemical composition of the material.
“利用生物系统、活生物体或者其衍生物为特定用途而生产或改变产品或过程的任何技术应用”。
"Any technological application that USES biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use".
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