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all casing grab drilling 全套管冲抓成孔
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These laptops are now made with fiberglass-reinforced casing and the same Honeycomb rib structure that made last year's R700 sturdy enough to grab one-handed.
ENGADGET: Toshiba puts its business laptops on a diet, intros the Portege R830, Tecra R840, and Tecra R850
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