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TEMPORARY SUPPORTER FOR BORING ON THE SEA
TEMPORARY SUPPORTER FOR BORING ON THE SEA
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机译:临海的临时支持者
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摘要
A provisional holder for the marine drilling is provided that the accuracy, precision and convenience of the marine drilling can be ensured. A provisional holder for the marine drilling comprises a plurality of perpendicular frames(110) which is equipped with standing so that the top be disclosed to the sea surface (S) upper, a plurality of horizontal frame(120) combining the top of the perpendicular frames, s plurality of deck frames(130) forming the horizontal deck, a drill bit for drilling in several sections of the deck frame, a casing support frame(140) forming the casing holding hole for supporting the hammer bit.
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