core carrier meaning in Chinese

烘芯托板
砂心托架
型芯烘干器

As for as history subject is concerned , the history textbooks is the core carrier of history education , and the important part of history curriculum system .
就历史学科而言，历史教科书是历史教育的核心载体，是历史课程体系的重要组成部分。
Port is the core carrier of international shipping center . it ’ s the gateway and entrepot of hinterland economy , which is the core of strengthening the competitive capacity as a central city
港口是国际航运中心的核心载体和驱动力,是经济腹地的门户和咽喉,是增强中心城市竞争力的核心所在。