“catenary post hole digger”的概念、定义、翻译、参考文献-科学参考

单词	catenary post hole digger
释义	catenary post hole digger Encyclopedia 工学电气化线路施工与养护用设备释 catenary post hole digger接触网立柱挖坑机用于铁路干线的接触网立柱挖坑的工程机械。以挖掘机为动力源，配以液压系统来实现土坑挖掘。
随便看	unearthed Uneasy Virtue UNECA unemployment unemployment benefit unemployment insurance Unemployment Insurance Act of 1940 unemployment insurance fund unemployment insurance fund budget unemployment insurance payment expiration unemployment insurance reemployment service unemployment insurance treatment unemployment rate unemployment ratio Unemployment Relief Camps unending decimal unenriched uranium unenumerated fundamental rights unequal unequal-armed unequal cleavage unequal crossing over unequal deformation unequal fission unequally distant

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