Quick-opening closure is a common pressure-bearing component in pressure vessel. Quick-opening closure is often opened with pressure or boosted without closing the door resulting in kinds of accident.
快开端盖是压力容器中的一个常见的承压部件，快开端盖经常因带压开门或未关紧门升压导致各种事故。
2
The mold-closing part was the key component of plastic molding.