major diameter steel pipes
major diameter steel pipes
主要直径钢管
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The paper introduces the design thought, main structure, performance character, applying range and control implement of cutting machine for intersecting curve of major diameter steel pipes.
介绍了大直径钢管相贯线数控切割机的设计思路、主要结构、性能特点、适用范围和控制实现。
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