基本解释未拉紧的, 松弛的同根派生 untensioned相关词英汉例句Test Analysis of Partially Untensioned U-shape Beams in Shanghai Rail Transit Line 上海轨道交通六号线缺索槽形梁试验分析untensioned reinforcement 无受力钢筋untensioned rail fastening 无弹性扣件untensioned更多例句