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气阀原理
meaning in English
principles of air valves
Related Words
气阀
呼气阀
补气阀
锁气阀
气阀杆
双气阀
辅助气阀
阻气阀
给气阀
散热气阀
气阀摇杆
气阀有效面积(气阀当量面积)
气阀圆锥面
气阀粘着
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