| |||
硬度测定 | |||
硬度试验测定 | |||
硬度试验测定物料对压、刮、剥阻力大小的试验方法。岩石的硬度取决于岩石中矿物组成的类型、含量及矿物颗粒之间的结合力 | |||
硬度实验; 硬度测试 | |||
硬度试验 |
hardness test : 97 phrases in 16 subjects |
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