ball indentation test是什么意思 ball indentation test怎么读
ball indentation test的相关资料
balln.球；球状物；炮弹；舞会；愉快的经历；<口>胆量；胡说；（复）睾丸v.使成球状；呈球状；<俚>性交
Balliol贝列尔学院
ball indentation test的用法和样例
- One hardness test shall be performed on each wetted surface cut with oxy-fuel or arc-air which is left unwelded on the finished part.
用含氧燃料或电弧气切削加工表面上的未焊接的湿表面，应作硬度试验。 - The manufacturers should take the hardness test of the bomb as a means of quality control, and put it into the quality assurance system.
制造厂应将储气瓶硬度试验作为质量控制手段，制定储气瓶硬度质量控制标准，并将其纳入储气瓶质量保证体系中。
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