| 1. | Install the regulator with the arrow on the body pointing in the direction of the flow
安装调节阀，使其阀体上的箭头指向流体流向。 |
| 2. | Install valve in the line with arrow on valve body pointing in the direction of flow
在管线上安装阀门，使其阀体上的箭头指向流体流向。 |
| 3. | Install valve in the line with arrow on valve body pointing in the direction of flow
在管道上安装阀门，使其阀门的箭头指向流体流动方向。 |
| 4. | Install valve in the line with arrow on valve body pointing in the direction of flow
在管道上安装阀门，阀门上的箭头方向指向水流流动方向。 |
| 5. | 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，使其阀体上的箭头指向流体流向。 |
| 6. | Install regulator in the line with the arrow on the body pointing in the direction of flow
在管线内安装调节阀，使得阀体上的箭头指向流体流向。 |
| 7. | Install valve in the line with arrow on valve body pointing in the direction of flow
在管道内安装阀门时要使得阀体上的箭头指向流体的流动方向。 |
| 8. | The body pointed straight in the direction of the island , and the compass read duly e . s . e
尸体正指向骷髅岛那一边，罗盘标明的方位正是东南东偏东。 |
| 9. | Install valve in the line with arrow on valve body pointing in the direction of flow . they should always be installed in an accessible location to facilitate testing and servicing
在管路上安装阀门，使阀体上的箭头指向流体方向。这些阀门应该安装容易接近的地方，便于检测和维修。 |
