英语词汇“钻垂直孔时”的翻译、意思、用法、释义-英汉汉英双解词典

单词	钻垂直孔时
释义	钻垂直孔时 The extension drill rod which can be used for higher capacity drill；the drill hole can be extended to sezeral meetrs；when drilling the straight hole；the core lifter can help coring.
随便看	tree planting auger tree planting day tree racerunner tree rat tree rats tree-planting day Tree-Planting Day tree planting machine tree-planting machine Tree planting not always green tree planting of pasture tree-planting program tree-plantings tree pointer tree poison tree poke tree polymer tree polynomial tree poppies tree poppy tree population tree population dynamics tree porcupine Tree porcupines tree positivity