In this paper,The operating principle of bridge system,the mechni- cal and electracal design,error analysis and test results of the JRH bri- dge system are described.是什么意思_In this paper,The operating principle of bridge system,the mechni- cal and electracal design,error analysis and test results of the JRH bri- dge system are described.在线翻译_英语_读音_用法_例句