“base bullion”的概念、定义、翻译、参考文献-科学参考

单词	base bullion
释义	base bullion [`bās ´bu̇l·yǝn] ^METALLURGY Crude lead that has enough silver in it to make the extraction of silver worthwhile; gold may be present.
随便看	pillotina pillow breccia pillow lace pillow lava pillow structure pilmer pilocarpine pilomotor nerve pilomotor reflex pilosebaceous pilosis PILOT pilot pilotage pilotage waters pilotaxitic pilot balloon pilot-balloon observation pilot bit pilot boat pilot briefing pilot cell pilot channel pilot chart pilot chute

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