... steel tube manufacture 钢管制造 ; 钢管生产 steel pipe manufacture 钢管制造 steel structure manufacture 钢构件制作 ; 钢结构制造 ...
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The paper involves an investigation into the new steel pipe manufacture technology of roller die drawing with the two-stand Y type three-high mill.
研究了利用二连式Y型三辊辊模拉拔钢管生产新技术。
Material: Bedbody, Bedframe, Bedleg full use of cold rolling steel plate, cold rolling steel pipe manufacture, and the second phosphating after spraying, to achieve national quality standards.
床面，床架、床脚全部采用冷扎钢板，冷扎钢管制造，并经二度磷化后喷涂，品质达到国家级标准。
A new manufacture process and application instance of metallurgy integrated complex steel pipe is introduced.
介绍了一种新的冶金结合复合钢管制造工艺及工业应用情况。
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