大开孔压力容器在开孔接管部位有很大的应力集中，必须进行补强。

There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings, so reinforcement is absolutely necessary.

youdao

大开孔压力容器在开孔接管部位有很大的应力集中，必须进行补强。

There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings, so reinforcement is absolutely necessary.

youdao