词汇	entry driven along the goal
释义	entry driven along the goal 沿空掘巷
随便看	secondary emission electrode secondary emission electron secondary emission factor Secondary Emission Material secondary emission measuring Secondary Emission Monitor secondary emission multiplication secondary-emission multiplication sec-ondary emission multiplication secondary emission multiplier secondary-emission multiplier secondary emission noise secondary emission photocell secondary emission photo cell secondary emission quantometer secondary emission rate secondary-emission rate secondary emission ratio secondary-emission ratio secondary emissions secondary emission stage secondary emission surface secondary emission tube secondary-emission tube SECONDARY-emission tubes