strenuosity 中文意思是什麼
strenuosity
解釋
艱苦努力-
Presently, the means of drying and weighing the sediment liquor are usually used to measure the sediment concentration in many countries. but this method is not only taking time but also strenuosity
目前世界各國大多仍採用懸沙采樣器取水樣的方法通過「烘乾稱重法」來檢測泥沙含量。
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