We manufacture hot rolling steel pipes, straight seam pipes and seamless steel pipes.

我公司生产热轧钢管，直缝钢管和无缝钢管。

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But with the same length of straight seam pipe than the weld length of 30 ~ 100%, and lower production rate.

但是与相同长度的直缝管相比，焊缝长度增加30 ~ 100%，而且生产速度较低。

youdao

This paper describes the production process for plate used for large-calibred straight seam welded pipeline.

介绍了大口径直缝焊接钢管用钢板的生产工艺。

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Anderson and Bresnan have been in Twenty20 mode and used to bowling more variety with slow balls and off-cutters - they haven't been bowling seam upright with straight wrists.

BBC: Jonathan Agnew column

With no pace in the wicket, and just a bit of swing and seam, Johnson and Ben Hilfenhaus bowled too straight and struggled to find the right length, allowing Strauss and Alastair Cook to tick along smoothly enough.

BBC: England make solid start to Ashes