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看到导游的导游看到的直缝埋弧焊只有大约2高。
The saw guides on the straight saw are only about 2 high.
youdao
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我公司专业生产大口径直缝埋弧焊钢管,欢迎来电咨询!
We are specialized in fabricating LSAW steel pipe, welcome to contact us any time!
youdao
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我公司专业生产大口径直缝埋弧焊钢管,欢迎来电咨询!
We are specialized in fabricating LSAW steel pipe, welcome to contact us any time!
youdao