“hole-through”的概念、定义、翻译、参考文献-科学参考

单词	hole-through
释义	hole-through [`hōl ´thrü] ^{MINING ENGINEERING} The meeting of two approaching tunnel heads.
随便看	phase-locked system phase magnet phase margin phase matching phase meter phase modifier phase modulation phase-modulation detector phase-modulation transmitter phase modulator phase plane analysis phase plate phase portrait phase quadrature phaser phase ratio phase resonance phase response phase reversal phase reversal modulation phase-rotation relay phase rule phase-sequence relay phase shift phase-shift circuit

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。