英语词汇“principal datum”的翻译、意思、用法、释义-英汉汉英双解词典

单词	principal datum
释义	principal datum 主水平基准;主基准面
随便看	hardening agent hardening-agent hardening alloy hardening aluminium alloy hardening aluminum alloy hardening and darkening hormone hardening and shrinkage of concrete hardening and softening hardening by sprinkling hardening cabinet hardening capacity hardening carbon hardening, chemical hardening compound hardening condition hardening, conductive hardening constituent Hardening correction hardening correction model hardening crack hardening craft hardening curve Hardening Depth hardening effect hardening effect of radiation