hydraulically-loaded pre-stre ed rolling mill
...eight loaded pre ure-regulating valve 荷重式压力调节阀 hydraulically-loaded pre-stre ed rolling mill 液压加载预应力轧机 hydraulically-loaded pre-stressed rolling mill 液压加载预应力轧机 ..
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hydraulically-loaded pre-stre ed rolling mill
液压加载预应力轧机
以上为机器翻译结果，长、整句建议使用 人工翻译 。