Multiple V-ring packing, combined with live loading, maintains packing compression under high-cycle and severe service applications.
多重V形环填料，组合动负载，维护填料压缩，适用于使用频率高，环境严酷的应用场合。
The experiments of twist-compression forging and unsymmetrical V-shape die forging are made using plasticine.
此文用塑性泥作模拟材料，进行了压扭复合锻造和不对称V型砧拔长的工艺实验。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
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