... water direction 水流方向 correction for flow direction 流向改正 direction of current flow 电流方向 ...
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安装时要使阀体箭头指向水流方向。
Install with the arrow on valve body pointing in the direction of flow.
这样就造成了主要沿水流方向发育的溶蚀通道。
This produces solution channels that develop mainly in the direction of the flow.
在管道上安装调节阀，将阀体上的箭头指向水流方向。
Install regulator in the line with the arrow on the body pointing in the direction of flow.
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