“zinc spar”的概念、定义、翻译、参考文献-科学参考

单词	zinc spar
释义	zinc spar [`ziŋk `spär] See <<smithsonite>>
随便看	backplastering backplate backplate lamp holder back porch back pressure back-pressure curve back-pressure-relief port back-pressure testing back-pressure valve back putty back radiation back rake back range back reef back-reflection photography back resistance backrope back-run process back rush backs backsaw backsawing backscatter gage backscattering backscattering thickness gage

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