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钻具
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钻具zuànjù(1)[drilling tool]凿洞、钻孔等与之有关使用的工具(2)[drilling rig]为专门目的而配备的装备、仪器和机械。如(3)钻塔及为钻孔和日后抽油所必要的机房和其它的全套设备(4)油井架(5)为其他类钻孔(如打桩,打井)用的类似的装置
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legitimacy declaration
legitimacy of children
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/3/15 11:56:22