The author asserts that the examples of calculation Show a somewhat low fatigue strength for the crankpin of CYJ10—3—53B pumping units.
通过计算举例，指出CYJ10—3—53B型抽油机存在曲柄销疲劳强度偏低的问题。
The “dream deferred” is not only that of a nation which is still struggling to close the gaps between black and white, and rich and poor, but, as the author asserts, also Mr Mbeki's own.
那个被延迟的梦不仅仅是仍在为消除黑白人种歧视、贫富差距而斗争的那个国家之梦，同时也是作者所说的，姆贝基自己的梦。
The "dream deferred" is not only that of a nation which is still struggling to close the gaps between black and white, and rich and poor, but, as the author asserts, also Mr Mbeki's own.
那个被延迟的梦不仅仅是仍在为消除黑白人种歧视、贫富差距而斗争的那个国家之梦，同时也是作者所说的，姆贝基自己的梦。
However, the British author Gavin Menzies asserts in his book that Zheng was likely to have traveled as far as the Americas.
然而，英国作家加文·孟席斯在他的书中声称，郑很可能前往至于美洲。
However, the British author Gavin Menzies asserts in his book that Zheng was likely to have traveled as far as the Americas.
然而，英国作家加文·孟席斯在他的书中声称，郑很可能前往至于美洲。
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