The heavy steel doors mocked the attempts of the thieves to open the safe.

厚重的铁门使盗贼开启保险箱的企图无法得逞。

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Open bottoms of steel box beams shall be protected by removable expanded metal mesh.

钢制箱梁的开放式底部应用活动金属网进行保护。

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Including steel truss, aluminum truss, truss, truss, open booth insert cue rack, tooth column truss.

主要包括钢质桁架、铝质桁架、敞开摊位桁架、插片桁架、球杆网架、齿柱桁架。

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Water pressure keeps the device open, and steel rollers help it to bounce over tricky rocks and avoid getting snagged.

ECONOMIST: Marine conservation

That forces the Cleveland mill to buy more costly steel on the open market.

FORBES: Iron Wills

Simply put, Ford would get into the iron-mining business if it were cheaper than buying steel on the open market.

WSJ: Book Review: The Org