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旋转式钻机
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矿业工程技术词汇手册
旋转式钻机
rotary drilling machine;rotary rig
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commonwealth--commonwealth(system)
Commonwealth Conference
Commonwealth Correspondents' Association(CCA)
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Commonwealth literature
Commonwealth of Australia
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Commonwealth of Independent States (CIS)
commonwealth of learning
commonwealth of letters
Commonwealth Parliamentary Association (CPA)
Commonwealth preference
commonwealth preference
Commonwealth Preference Area
Commonwealth Secretariat
Commonwealth(of Nations), the
commonwealth(system)
common welfare
common wheat
common whitefish
common wild oat
Common Yam Rhizome
common yam stem
common year
common yellow day-lily
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