“pozzolan”的概念、定义、翻译、参考文献-科学参考

单词	pozzolan
释义	pozzolan [`pät·sǝ·lǝn] ^GEOLOGY A finely ground burnt clay or shale resembling volcanic dust, found near Pozzuoli, Italy; used in cement because it hardens underwater. ^MATERIALS Cement made by mixing and grinding together slaked lime and pozzolan without burning; sometimes used for concrete not exposed to the air.
随便看	balanced surface balanced translocation balanced transmission line balanced-tree balanced valve balanced voltages balanced wire circuit balance equation balance error balance method balance pipe balancer balancer set balance shot balance spring balance tool balance-to-unbalance transformer balance wheel balancing balancing a survey balancing band balancing capacitor balancing delay balancing plug cock balancing unit

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