加一个双杆吗？
In the double control arm axle the wheel carrier is supported by two a-frame arms and a tie rod.
在双控制臂车桥中，车轮托架由两个三角形臂和一个横拉杆来支撑。
The radiation characteristics of a new millimeter-wave omnidirectional circular rod antenna with double dielectric gratins are analyzed with the rigorous mode matching method.
采用严格的模匹配方法分析了新型双介质栅毫米波棒形全向天线的辐射特性。
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