The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
以45#调质钢硬度试验为例，研究了金属材料布氏硬度试验中测量不确定度的评定。
Technical support for local manufacturing covering new supplier evaluation, raw material testing, packing material and label evaluation.
产品本地化生产的技术支持，评估新供应商，原料，包装和标签。
Technical support for local manufacturing covering new supplier evaluation, raw material testing, packing material and label evaluation.
产品本地化生产的技术支持，评估新供应商，原料，包装和标签。
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