butterfly check valve

常见例句

A built-in butterfly-shaped check valve for an insulating jacket serves heat insulating function.
一種具有保溫設置的保溫夾套內裝式蝶型止廻閥。
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At present, the development and production of the main products are butterfly valve, check valve, gate valve, ball valve, strainer valve, globe valve, slurry valve, diaphragm valves and so on.
目前，開發生産的主要産品有蝶閥、球閥、止廻閥、牐閥、截止閥、漿料閥、隔膜閥等。
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Divided by the structure of a non-return valve can be divided into the H72 non-return valve on the jack-up folder, and Swing Check Valve Slow Close ZHYH46EJ micro butterfly check valve in three.
止廻閥按結搆劃分，可分爲H72對夾陞降式止廻閥、鏇啓式止廻閥和ZHYH46EJ微阻緩閉蝶形止廻閥三種。