ATLANTA may sprawl, but drive a little way south or east and head off the main highways, and you will see that what really powers Georgia is not its biggest city, but its farms.
亚特兰大可能扩张，不过是偏向南方或东方，并阻碍了主要的高速公路，并且你会发现真正主载乔治亚州的不是这座最大的城市，而是她的农场。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
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