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power head rig
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power head rig
Encyclopedia
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power head rig
动力头钻机
以动力头为回转机构,采用桅杆结构和可实现长行程给进的钻机。
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common therapeutic factor
common turtle limpet
Common Understandings in 1992
common usage of words
common value concepts
common-view observation
common vocabulary
common wallflower
common warehouse metamodel
common warehouse metamodel, CWM
common water monitor
commonweal forest biological assets
Commonwealth Avenue
Commonwealth Bank of Australia
Commonwealth Broadcasting Association
Commonwealth Government of Philippines
Commonwealth of Nations
Commonwealth of Puerto Rico
Commonwealth Scientific and Industrial Research Organization
Commonwealth Writers prizes
common weed
common working line of aeroengine
common wren
common yam
common yam rhizome
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