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承压部件
[机] pressure-containing member
- 封头是压力容器上的端盖，是压力容器的一个主要承压部件。
Head is the ends cover on the pressure vessel and it also the main pressure bearing part. - 即二类，三类，四类的压力容器中的主承压部件，必须经过特定的产品控制型式，然后获得相关的证书。
For the main pressure-bearing parts of equipment in categories II, III and IV, this must take the form of a certificate of specific product control. - 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。
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.
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