As luck would have it, the thing weighed more than it looked, and lifting it was a job more suited to a derrick than a hundred-and-ten-pound college student.

祸不单行，这玩意儿比它看上去要重，得用起重机才能把它抬起来，而不是个体重110磅的大学生。

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Results show that in view of safety and economy design of the derrick and it's lifting installation are reliable.

分析计算结果表明，钻塔结构安全可靠而且经济。因此，钴塔及其起升装置设计是合理的。

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