It has special unitized construction which consists of the seat, disc and stem assembly, and strainer screen all together in one unit for complete replacement maintenance.

它具有特殊的整体结构，由阀座，阀瓣和阀杆总成，以及过滤器网等整合在一个整体中，完全能够进行更换维护。

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Main equipment design of strip slitting unit applied for big steel coil, heavy thickness and high strength, such as uncoiling machine, disc shear and recoiler were researched.

对大卷、厚壁、高强度钢带纵剪机组的主要设备如开卷机、圆盘剪、卷取机的设计进行了探讨。

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An air cushion disc is adopted as a walking mechanism of a mobile car lifting unit.

采用气垫盘作为移动架车单元的行走机构。

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He spent eight years earning his doctorate at Rice Institute (he wrote his thesis on "A Characterization of the Set of Asymptotic Values of a Function Holomorphic in the Unit Disc").

CNN: When sports stats ruin the fun

Available 3D Blu-ray Disc titles more than tripled in 2011 compared to 2010, growing from 20 to 65, while unit sales increased more than six times in the same period.

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