performance testing是什么意思 performance testing怎么读
performance testing的用法和样例
- This paper introduces thermodynamic performance testing principle and device of aircooler with room heat balance method.
介绍了使用房间热平衡法进行冷风机热工性能试验的原理与装置。 - The testing person uses the universal testing machine to make material mechanical testing.
化验人员用万能材料试验机做材料机械性能试验。
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