throttle butterfly的意思|示意

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throttle butterfly相关短语

1、 throttle butterfly valve 节流蝶阀

2、 throttle butterfly plate 节流阀蝴蝶板

3、 butterfly throttle valve 蝶形节流阀,蝶形节省阀

4、 butterfly throttle 蝶形风门,蝶形节流阀