Non-rising-inside screw stems are used in bronze and iron gate valves.

暗杆-内螺纹结构用于青铜和铸铁闸阀。

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Stem structure 1) stem - inside screw bronze multi-turn valves for the most common and preferred structure.

阀杆结构1） 明杆-内螺纹结构对于青铜多回转阀门来说是最通用、首选的结构形式。

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This paper introduces the structure, the principle and the operation of a device measuring inside screw developed by the authors.

介绍自行开发的内螺纹中径测量装置的构成、原理和使用方法。

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Jobs was a workaholic obsessed with every screw inside the computer, how the customers experienced the product packing and every element in the marketing of the product.

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Inside the mediocre lobby we staked out a position near the numbered boxes, innocuously pretending to screw up our change-of-address forms so that we had to start over again a dozen times.

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