Install regulator in the line with the arrow on the body pointing in the direction of flow.

在管道上安装调节阀，将阀体上的箭头指向水流方向。

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Install the Watts regulator in the supply line to the boiler with the arrow on the valve body pointing in the direction of flow to the boiler.

在锅炉的供水管道上安装美国瓦茨调节阀，将调节阀阀体上的箭头指向锅炉的水流方向。

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Install with the arrow on valve body pointing in the direction of flow.

安装时要使阀体箭头指向水流方向。

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Along the trail, was a marker, an arrow pointing to the right direction (attributed to Brigham Young), to help keep the wagon trains on the right path.

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