air escape valve 泄气阀 ; [机] 放气阀 ; 逸气阀 ; 排气阀
air-escape valve 放散阀
air bells escape valve 排气阀
air r escape valve 放气阀
Fixes press air escape valve department refer to API and about standard optimize design face become, It structure new, Performance dependable.
定压放气阀系参照api及有关标准优化设计面成，其结构新颖，性能可靠。
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