凸耳式阀门应该有能力在全压力下提供双向“终端应用”，不需要下游蒸汽无口法兰。
Lug style valves shall be capable of providing bidirectional "Dead End Service" at full pressure without the need for down stream blind flange.
目的：利用按扣式附着体、磁性附着体的不同优点，改善全口覆盖义齿固位。
Objective: To discuss the usage of stud-nap attachments and magnetic attachments in complete overdentures.
应用推荐