This paper briefly introduces the typical high-steep structure of China and describes the structure and the energy converting method and characteristics of the turbodrill self developed.
在简要阐述国内典型高陡构造特征的基础上，介绍了我国自主研制的涡轮钻具的结构、能量转换方式以及特点。
The elliptic-function filter using hairpin stepped impedance has such advantages as compact structure, low insertion loss, broad-stopband and high steep.
应用发夹线高低阻抗线设计的椭圆函数滤波器具有体积小、插损低、宽阻带、高陡峭度的显著优点。
The elliptic-function filter using hairpin stepped impedance has such advantages as compact structure, low insertion loss, broad-stopband and high steep.
应用发夹线高低阻抗线设计的椭圆函数滤波器具有体积小、插损低、宽阻带、高陡峭度的显著优点。
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