spherical valve
短语词组
- 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 返回 spherical valve