Experts say - scale steel mills, seamless pipe price increases, rising to become the biggest driving force plate.

无缝管专家表示大型钢厂的提价, 成为中厚板上涨的最大推动力.

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We measured 3 - dimensional impact forces applied to the buttocks at 960 Hz with a force plate.

我们用反作用力测定板以960Hz频率测量臀部三维冲击力.

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