The vent system composed of vent groove, vent plug and clearance of ejector pin can fit the need of venting.

采用分型面排气槽、顶杆间隙排气与排气塞排气相结合的排气系统设计能够很好地满足模具排气需要。

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In the design of offshore platform vent system, it is needed to calculate the CO2capacity for the fire putting out.

海上固定平台在设计采用冷放空取代火炬放空时，需要考虑到冷放空口发生火情时使用二氧化碳灭火的设计用量。

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A zero-gravity thermodynamic vent system which is desirable to be used in a cryogenic propellant tank is briefly presented.

简要介绍一种可供选择使用的低温燃料贮箱零重力排气系统。

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And the system's underground vent system, designed to suck away smoke, isn't working.

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