英语词汇“nonautomatic block district”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	nonautomatic block district
释义	nonautomatic block district 非自动闭塞区段
随便看	drill auger drill autofeeder drill away at drill a well drill baboon Drill baboon drill bar drill-bar drill barge drill barrow drill bars drill base drill bench drillbit drill bit drill bit cutoff drill bitcutter head drill bitcutter head, crown drill bit deep drilling drill bitdrill head drill bit for mining and geological prospecting drill bit gage loss drill bit gauge drill bit loading Drill Bit Materials