明龙骨吊顶当饰面材料为玻璃板时,应使用(  )玻璃或采取可靠的安全措施。

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Many workers were organized to clear away remained of the Wo

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Under no circumstance _____ to tell lies to parents.

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加工成型的钢筋笼、钢筋网和钢筋骨架等应水平放置,(  ).

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用钢尺丈量距离结果中应考虑(  )修正数。

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