单词	外岩心筒
释义	外岩心筒outer core barrel
随便看	telegraph channel telegraph charge s telegraph circuit telegraph code telegraph code or key telegraph communication telegraph communication system telegraph commutator telegraph concentrator telegraph connection telegraph conversation telegraph creek telegraph distortion telegraph distributor telegraph, doppel、doppeltelegraph telegraphed telegraph editor telegraph electromagent telegraph electro-magnet telegraph electromagnet telegraph emission telegraphenabteilung telegraphenamt telegraphendraht telegraphenlinie