at grade intersection英语标准发音：at grade intersection英式发音：美式发音：翻译中文平面交叉口at grade intersection - 基本释义[词典1]平面交叉at grade intersection - WEB词典at grade intersection平面交叉 参考资料： 1.百度翻译：at grade intersection2.有道词典：at grade intersection3.爱词霸：at grade intersection
