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Automatic exhaust valve

网络自动排气活门

Automatic exhaust valve

Automatic exhaust valve

Automatic exhaust valve

自动排气活门

GB50134-2004人民防空工程施工及验收规范... ... 2.0.13 密闭阀门 airtight valve 2.0.14 自动排气活门 automatic exhaust valve ...

1

The feasibility was discussed for the use of Venturi tube and automatic exhaust valve for expelling air from siphon tube .

探讨了虹吸管利用文氏管及自动排气阀排气的可行性。

2

A Brief Analysis of Leakage for the Automatic Exhaust Valve in Hot Water System at Home

室内热水采暖系统自动排气阀漏水原因浅析

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