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

词汇	coalheavers
释义	coalheavers 🌏煤层开采
随便看	line coupler line coupling line coupling capacitor line coupling device line coupling transmission system line coupling tuner line covering line covering number line crawl line crawl buffer line crawl cancel line crawl inverter line crew line critical graph linecross line cross linecrosser line-crosser line - crosser line crossing line crossing rate line crossing structure line crossing structures line crosstalk line crushing