加盖邮票上应加盖的文字、图案全部没有加盖上，为漏盖。漏盖票必须与没有漏盖的邮票相连收藏，方能显示出漏盖变体的形态，撕下的单枚漏盖票则失去变体的特征，而是一枚未曾加盖的原票。
... 快递邮票express stamp 漏盖cancellation missed 马耳他十字邮戳maltese cross postmark (m.c.) ...
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目的回顾总结用带蒂大网膜包盖高位食管胃吻合口预防吻合口漏的经验。
Objective to summarize the experience of using pedicled greater omentum to cover the high esophagus-stomach anastomotic opening to prevent anastomotic leakage.
采用电池槽盖、极柱双重密封设计，防止漏液，可靠的安全阀可防止外部空气和尘埃进入电池内部。
Fully sealed: with cover and pole double seal design to prevent leakage of electrolysis. and the reliability of safe-valve prevent oxygen and dust from outside enter into the battery.
该传感器可以安装在电动机内端盖处，电机定子与转子端部漏磁都不影响传感器的工作和测量精度。
The sensor can be fixed under the electromotor's end bracket. Leakage flux of motor stator and rotor does not affect the activity and measuring accuracy of the sensor.
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