Density is the relationship between mass and volume and is measured in kilos per cubic meter.

 
  • 密度是物質(zhì)的質(zhì)量跟它的單位體積的比值;以每立方米多少千克來(lái)計量.
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan