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辭典搜尋 - specific gravity

英文: specific gravity

中文: 比重

常見於 汽車系統 > 801 潤滑油 > 80101 潤滑油術語 lubricants glossaries

說明:
某物質的密度與4℃的水的密度比值


Specific gravity: The specific gravity of a substance is defined as the ratio of the density of the substance to the density of an equal quantity of water at the same temperature.