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1)  unsealing [英]['ʌn'si:l]  [美][ʌn'sil]
失封
2)  shaft seal expiration
轴封失效
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3)  seal failure
密封失效
1.
Analysis and prevention for the seal failure of rock-breaking cutters;
破岩滚刀密封失效原因分析与防治
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4)  sealing failure
密封失效
1.
Based on theoretical analysis on the causes of sealing failure in cover flange of HU871 melt heat media exchange, the resolving measure was presented, according to which the originally used asbestos cover flange sealing gasket was replaced by basie type metai flexible graphite enwinding gasket.
在对HU871熔体热媒热交换器封头法兰密封失效原因进行理论分析的基础上,提出了解决该问题的方法;将原来的石棉封头法兰密封垫片改为基本型金属柔性石墨缠绕垫片。
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5)  loss of U-trap
水封损失
6)  dysfunction of essence storage
封藏失职
补充资料：灰失失
1.悻然﹑失望貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条