“drilling machine”的概念、定义、翻译、参考文献-科学参考

单词	drilling machine
释义	drilling machine Encyclopedia 工学凿岩机械释 drilling machine凿岩机通过钻杆和钻头的冲击或回转作用进行岩体钻孔以开采石料的机械。工学爆破作业释 drilling machine钻孔机械在钻孔作业时所采用机械设备的统称。
随便看	second-type outer boundary condition second type surface Second United Nations Conference on Human Settlements (HABITAT II) second university reform movement in Germany second variation second variation formula second variation formula of arc length Second Vatican Council second virial coefficient second wave of Chinese newspaper publication second window secrecy secrecy capacity secrecy system Secret Agreementon Question of Constantinopleand Straits Secretariat-Chancellery secretariat style secretary-general of the United Nations secretary in a bureau secretary problem Secret Ballot Secret China Secret code secret color porcelain lotus bowl Secret Committee of Correspondence

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