英语词汇step drilling是什么意思，step drilling的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	step drilling
释义	step drilling　 (深孔)分段钻削
随便看	ecological threshold ecological turnover ecological value ecological variety ecologically ecologically ecologically ecologically-sound ecologicalpolymorphism ecologiclnatality ecologies ecologist ecologist ecologists ecologists ecologists ecology Ecology ecology ecology ecology ecology movement ecology movement ecology of education ecology of law

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。