production deck

Experiences in the "two deck" reform of Model TM-800 spin-winding machine are introduced that is, from 2 head spinning changes to 4 head for the production of polyester fine filaments.

本文介绍了对TM-500型纺丝卷绕机进行双层化改造，由二头纺改为四头纺生产涤纶细旦丝的经验。

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In the period of two years when Bohai Changqing floating production oil-storage unit is in operation, it is discovered that cracking has appeared on the welding between water-injection module column and main deck, and the slope support of boiler process module column has losed its stability.

渤海长青号浮式生产储油装置在投入运行两年多的时间内，发现注水模块立柱与主甲板焊接处开裂以及锅炉工艺模块立柱斜撑失稳。

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