It expounds that the key of solving thermal transient sealing problem is to obtain the thermal increment of stud-bolt loading.
阐明了热瞬态密封问题求解的关键是给出螺栓载荷的热态增量；
The lubricating device is the key part of RPV stud hole lubricating machine, therefore, the structure and principle of lubricating device are described.
上油装置是上油机的核心部件，因此重点介绍了上油装置的构造与原理；
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