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关注：1
2013-05-23 12:21
求翻译：The design shall ensure that the stem shall not be capable of ejection from the valve while the valve under pressure by the removal of the stem seal retainer.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The design shall ensure that the stem shall not be capable of ejection from the valve while the valve under pressure by the removal of the stem seal retainer.
问题补充： |
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