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《钢结构工程施工质量验收规范》规定，高强度螺栓孔不应采用气割扩孔，扩孔数量应征得设计同意，扩孔后的孔径不应超过()d(d为螺栓直径)。
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缆风绳的拉力计算式T=Tg+TC中，Tg代表()。
M: Everything on that shelf is worth fifty cents.
W: But if this is the signature of someone who is well-known, it might bring a lot more. I hear William Shakespeare's signature is worth about a million dollars.
M: Oh？ I can hardly read what that one says. Who wrote it？
W: The name looks like "Harold Dobson". Wasn't he a politician or something？ I' m going to buy this book and see if I can find a name looks like that in the library.
M: Good luck. Your poetry book may make you rich. But I think my seventy-five-cent mys- tery is a better buy.
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当机电工程项目施工过程中发生安全事故时，()必须按安全事故处理的有关规定和程序及时上报和处置，并制定防止同类事故再次发生的措施。
电弧稳定、飞溅小、焊道成形美观，脱渣容易，具有良好的工艺性能，适合全位置焊，具有这样特点的焊丝是()。
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