“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	groundwater corrosivity on steel groundwater cycle groundwater-dependent ecosystem groundwater depression groundwater depression cone groundwater depth-specific sampling groundwater discharge groundwater dynamic analysis method groundwater emergency sampling technology groundwater environmental background value groundwater environment quality monitoring groundwater explosion with layer groundwater ex-situ remediation technology ground water flow groundwater flow into foundation pit groundwater flow system groundwater geochemical modeling ground water heat pump groundwater hydraulic gradient groundwater hydraulics groundwater hydrology groundwater in China groundwater in-situ measurement ground water irrigation groundwater irrigation services market

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