N the official seal of a corporate body 法人机构的公章
The most common applications of DSH Spring Energized Seals are reciprocating radial motion.
弹簧增强密封最常用的用途是用于往复运动密封。
Common seal installations fill two mechanical seals and seal.
常用轴封装置有填料密封和机械密封两种。
The sharks are common in the area because of the thousands of seals that reside on the coast.
鲨鱼在该地区是常见的，因为成千上万的海豹在海岸上栖息。
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