... 真空冷凝器;蒸汽冷凝器device for condensing vapor 永久性真空封接permanent seal 玻璃分级过渡封接graded seal ...
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High Reliability: The seal contains a simple, permanent magnetic structure and a non-wearing magnetic fluid. The only parts subject to mechanical wear are self-contained ball bearings.
良好可靠性:密封圈由永磁结构和稳定的磁性流体组成,所以机械磨损仅发生在轴承上。
From the outside of the seal of the pollutants permanent embedded seal on the blade surface and cause shaft sealing lip premature wear of margin;
污染物从密封的里外面永久性的嵌入密封刃口上造成轴表面和密封唇缘的过早磨损;
Once written into the event log, this information shall become a permanent record within the seal and shall not be modified or erased by either the seal or an outside entity.
一旦写入情况日志记录,这种信息就成为永恒的记录,任何密封产品生产商或不相关的局外人士都不能进行删改。
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