quota sample 中文意思是什麼
quota sample
解釋
配額樣本-
The ratios of charpy impact value of small size specimen to that of the standard are studied by using the series charpy v - notch impact test method and the question how to select equivalent ratio of the charpy impact quota of non standard sample is also discussed
通過夏比v型缺口沖擊試驗,研究了結構鋼小尺寸試樣的沖擊功與標準試樣沖擊功的比值在系列溫度沖擊試驗中的變化規律,並述評了用等效比值數確定小尺寸試樣沖擊功指標的問題。
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