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；
2
The lubricating device is the key part of RPV stud hole lubricating machine, therefore, the structure and principle of lubricating device are described.