“中国古代深井开凿技术”的概念、定义、翻译、参考文献-科学参考

单词	中国古代深井开凿技术
释义	中国古代深井开凿技术 Encyclopedia 工学中国古代深井开凿技术释 deep shaft sinking technique in ancient China中国古代深井开凿技术中国古代开凿深井，主要用于开采井盐卤水，称盐井；后来发展到开采天然气，称火井。
随便看	radio feature using natural sound and actuality radio flare radio flare star radio flux Radio Free Asia radio frequency radio-frequency ablation radiofrequency ablation of atrial tachycardia radio-frequency amplifier radio-frequency amplifier, RF amplifier radio-frequency band radiofrequency catheter ablation by atrial fibrillation radiofrequency catheter ablation by ventricular premature beat radiofrequency catheter ablation by ventricular tachycardia radiofrequency catheter ablation of atrial flutter radiofrequency catheter ablation of atrioventricular junctional reentrant tachycardia radiofrequency catheter ablation of atrioventricular reentrant tachycardia radio frequency cold crucible method radio frequency communication radio frequency communication, RFcomm radio frequency current radio-frequency current drive radio-frequency discharge radio-frequency disk radio frequency frontend

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