组合式动密封  combined dynamic seal

运动密封组件  kinetic hermetic subassembly

转动密封组件  rotary seal assembly

端面密封密封连接  face seal seal joint

滑环式组合密封圈  sliding ring combined seal

活塞杆密封组合  rod seal combination

压盖密封密封装置  gland seal

组合密封  Weave seal; composition seal; combined seal; Unit seal; combination sealing; combined sealing

组合密封面  assembly seal surface

组合密封圈  combined seal ring; composition seal ring

Web服务自动组合  automatic Web services composition

超高压动密封  Super-high pressured dynamic sealing

传动组合  driving portfolio

磁液动密封  magnetic liquid dynamic seal

单金属浮动密封  mono-metal floating seal

底部钻具组合动态  BHA dynamics

定动组合滑车  whip and pendant; whip and tunner

动密封  Dynamic device; running seal; Dynamic seal; rotor seal; chromium coating; movement seal; Kinetic seal; Dynamic sealing; motive sealing; motive seal; motion airproof; kinematical seal; shaft seal; moving sealing; rotating seal

动态机组组合  dynamic unit commitment