Hermetically-sealed superminiature temperature relay 超小型密封温度继电器
A combination consisting of two glass panes enclosing a hermetically-sealed air space. 这是指由两层玻璃板围住一密封的空间而组成的合成物。
Considering the influence of the special working condition, some conventional and late-model hermetically-sealed structure can be used potentially were discussed, and the operating principle, main advantages and applicability of packing seal, mechanical seal, floating-ring seal, helix seal and ferrofluid seal were introduced respectively. 以特殊工作需要为依据,探讨了几种可能被采用的传统和新型密封型式,介绍了填料密封、机械密封、浮环密封、螺旋密封和磁流体密封的工作原理、性能特点和适用范围。