spherical valve

短语词组

短语

• spherical check valve 球形止回阀
• spherical butterfly valve 球形蝶阀
• spherical l valve 球阀
• suspended spherical trap valve 浮球式疏水阀
• artificial spherical mitral valve 人造球形二尖瓣
• artificial l spherical mitral valve 人造球形二尖瓣
• semi -suspended spherical trap valve 半浮球式疏水阀
• a spherical valve 球形阀
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