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

单词	supporting coal pillar
释义	supporting coal pillar 支撑煤柱
随便看	soundcard soundcards sound cards sound-cards sound cargo sound carrier sound-carrier sound carrier attenuator sound carrier detector sound carrier frequence sound carrier frequency sound carrier rejection circuit sound-carrier rejection circuit sound-carrier rejection circuits sound carrier sweep sound carrier trap soundcast sound casting sound-casting sound castings sound cell sound cell microphone sound cement sound center frequency sound centre