英语词汇concrete track bed怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	concrete track bed
释义	concrete track bed
随便看	return on investment ratio Return on Marketing Investment Return on net worth Return on Sales return on talent return on tangible asset return on tangible assets return on total assets return opening return operator return orifice check valve return outward return outwards invoice return pass return passage Return path return pathway return performance Return period return period of flood return phase rescue return pin return pipe return pipeline return pipe of reutilization

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。