基本解释灌叢沙堆同根派生 Nabkhas相关词英汉例句Study on the Distribution Character of Surface Pressure of Nabkha in Wind-tunnel Imitative Experiment 灌叢沙堆表麪壓力分佈特征的實騐研究Nabkha 灌叢沙堆Nabkhas更多例句