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

词汇	primitive coalbed
释义	primitive coalbed 原始煤层
随便看	shrink-film package shrink filter shrink fit shrink-fit shrinkfit allowance shrinkfit barrel shrink fit pressure shrink fit stress shrinkfitted shell shrink fitted shell shrink-fitted shell shrinkfit vessel shrink fit vessel shrink-fit vessel shrink fixture shrink flange shrink flanging shrink flanging die shrink-flanging die shrink force shrink forming shrink-forming shrink / Frink/ vi shrink from shrink from dangers