“pitchstone”的概念、定义、翻译、参考文献-科学参考

单词	pitchstone
释义	pitchstone [`pich´stōn] ^GEOLOGY A type of volcanic glass distinguished by a waxy, dull, resinous, pitchy luster. Also known as fluolite.
随便看	dBrn dBV dBW dBx dc D cable d-camphorsulfonic acid DCB DCC dc casting DCCI D center DCFL DCNA d constant DCPA DCTL dc-to-ac converter dc-to-ac inverter dc-to-dc converter dcwv DDA DDA value DDBS DDD

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