rotary valve spherical valve 球阀
spherical valve core 球形阀芯
spherical valve case 球形截止阀阀体
spherical valve leaflet 球面型瓣叶
artificial spherical mitral valve 人造球形二尖瓣
The utility model relates to a spherical valve, particularly to an anti-blocking knife gate valve.
本实用新型涉及一种球阀，特别涉及一种防堵刀闸阀。
This series product is the most widely used spherical valve among spherical valves of various kinds.
氟塑料全衬球阀系列产品，是各类球阀中应用最为广泛的一种结构形式。
When the machine stops, shutting the spherical valve, the liquid in the hopper doesn't flow into the trunk.
停机时，关闭球阀，料箱内液体不再流入贮液箱。
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