defeatist 失败主义者  defeature 损伤外貌  defecate 澄清  defecation 澄清  defecator 澄清者  defect 过失  defection 缺点  defective verb 变化不完全的动词  defective 有瑕疵的  defectively 有...

新型数码电子及其起爆系统的开发与应用刘庆;陈文基;陈姗姗;周桂松;杜华善;李晓虎;吴欣欣【摘 要】In the application of current digital electronic detonator and its initiating system, there are some issues including inconvenience of manipulation,...

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