分析了双头双螺杆泵密封腔的密封原理。
论述了管式密封基本原理和基本构成。
Described are basic principle and construction of tubular seal.
有多种类型和形式的密封，但工作原理相同。
There are several kinds and types of seals, but all work on the same principle.
本文介绍分析了该类机械密封的基本原理。
The fundamentals of this kind of mechanical seal were introduced and analyzed in the paper.
本文介绍分析了该类机械密封的基本原理。
The fundamentals of this kind of mechanical seal were introduced and analyzed in the paper.
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