Watts Series ET non-potable water expansion tanks may be installed in a tee or any other suitable tapping in the heating system and can be installed in a vertical or horizontal position.
美国瓦茨系列et非饮用水膨胀罐可以安装在一个T形管或供暖系统上任何其他适合的连接端口上，可以垂直安装或水平安装。
Result showed that main reasons on ablation of roll bearing were transformation of forward Angle, flow value of cool water, water pressure, water pipe position, and deformation of roll-shell et al.
对造成轧辊烧轴承的原因进行了分析，结果表明：轧辊烧轴承主要与轧辊送进角的变化，冷却水的水量、水压及水管位置，轧辊架变形情况等有关。
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