英语词汇“coal corer”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal corer
释义	coal corer 煤心采取器；又称“取煤器”、“取煤管”。煤田钻探钻进过程中；专门用于采取煤心的一种特殊器具。
随便看	starting characteristics of fuel starting characteristics test starting characteristic test starting character position starting charge starting circuit starting circuit breaker starting cluster starting clutch starting cock starting code starting coil starting combustion starting command starting compensator starting component starting compressor starting condition starting condition for oscillation starting conditions starting connection starting contactor starting control starting control and speed control combined starting controlbox