expansion gap英语标准发音:expansion gap英式发音:美式发音:翻译中文膨胀间隙expansion gap - 基本释义[词典1]胀隙;温度隙expansion gap - WEB词典expansion gap伸缩缝expansion device gap温度隙expansion gap of rail轨道伸缩缝 参考资料: 1.百度翻译:expansion gap2.有道词典:expansion gap3.爱词霸:expansion gap