Solid Wedge Disc 实心楔板
pneumatic wedge disc valve 气动闸板阀
Wedge e Disc 闸板
wedge single-disc gate valve 楔式单闸板式闸阀
Gate and globe valves are available with a selection of wedge or disc and body configurations for different services.
闸阀和截止阀具有各种楔形闸板或阀瓣和阀体的配置，适用于不同的应用场合。
Gate valves are offered in two designs: Parallel Disc and Flexible Wedge. Parallel Disc are position seated; Flexible Wedge are torque seated when closing.
我们提供的闸阀的结构形式具有两种：平行阀瓣和弹性楔形闸板。平行阀瓣为定位阀座密封；弹性楔形闸板在关闭时则是扭矩阀座密封。
Results Wedge-shaped defects in the first premolar were commonly seen in elderly patients, moreover, the disc wedge and type 2 degrees were more common in the lack of damage.
结果老年牙齿楔状缺损好发于第一双尖牙，且楔缺损害以盘型、2度更为常见；
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