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หินเจียรยาง - An Overview

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· Has A higher amount of toughness than WA (white alundum), and While using the WA amount of hardness, it's great condition retention, so it's got a long dressing cycle, and generates tiny heat all through grinding. As compared to WA, it can be employed in fields with more demanding https://brennusp360fms1.bloggerbags.com/profile
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