double- seal的意思|示意

The Submersible Pump and Motor have a double seal with a moisture detection system.

配置潮气监测系统的潜水泵和电机具有双重密封装置。

There are six dampers, which are double louver type and which are equipped with the seal air system.

有六块档板，都是双挡板并带有密封空气系统。

Two sets of back-to-back assembled mechanical seal BIA, and together with a Shared spring can form a double mechanical seal.

由二套BIA机械密封背靠背安装，共用一个弹簧可组成一套双端面机械密封型式。

A double flexible metallic O-Ring seat provides a (1) static and (2) dynamic seal and assures compliance to fire-safe specifications.

双重柔性金属O形环阀座具有静止和动态密封性能，确保符合防火规则要求。

Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.

介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。

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.

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。