“drop weight impact testing machines”的概念、定义、翻译、参考文献-科学参考

单词	drop weight impact testing machines
释义	drop weight impact testing machines Encyclopedia 工学冲击试验机释 drop weight impact testing machines落锤冲击试验机采用具有一定势能的落锤，在重力的作用下沿竖直方向落下并冲击试样，测定材料在动负荷下抗冲击性能的试验机。
随便看	covalent network covalent organic framework polymer covalent organic polymer covalent radius covariance covariance analysis covariance distribution covariance function covariance functional covariance matrix covariance operator covariance spectrum covariance stationary process covariance structure analysis covariance window covariant covariant component covariant constant field covariant continuation covariant curvature tensor covariant density functional theory covariant derivative covariant derivative tensor covariant differential covariant differential operator

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