英语词汇“back sand（back-up-sand）”的翻译、意思、用法、释义-英汉汉英词典

单词	back sand（back-up-sand）
释义	back sand（back-up-sand）背砂back sand（back-up-sand）背砂鑄造學
随便看	tenacious of one's opinion tenacious of one's own opinion tenacious of their power tenacious of their property tenacious site tenacities tenacity tenacity-- concentration tenacity; concentration tenacity elongation curve tenacity test tenacle ten-acre block tenacula tenaculum tenaculums tenail tenaille tenailles tenaillon tenaillons tenakel tena koe tena korua tena koutou