bulldozer trunnion ball 推土机耳轴球节
bulldozer blade trunnion ball 推土机铲刀耳轴球节
TRUNNION BALL VALVE 固定球阀 ; 耳轴球阀
Trunnion Ball Valve - KITZ 轴承式球塞阀
trunnion mounted ball valve 固定球阀
trunnion mounted ball 固定球阀 ; 固定式构造
ball trunnion 球头耳轴
In general, WILLIAMSONs trunnion ball valve features the front ball sealing design structure.
威廉姆森固定球阀一般采用球前阀座密封结构。
Heavy Duty trunnion - The ball trunnions are designed for demanding applications requiring long service life, with a reduction in maintenance time and costs.
重型耳轴，球耳轴是苛刻的要求，使用寿命长的应用而设计，以期在维护时间和成本的降低。
Trunnion Design: Upper and lower supports retain ball under pressure.
耳轴设计：在压力下上下支持阀球。
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