A new product, rotational flow-limiting valve installed in combined sewage intercepting chamber was introduced.
介绍了设置于合流制截流井中的一种新产品——旋流限流阀。
The other end of the second flow limiting tube connects with the midpoint shunt valve.
第二限流管的另一端与中点分流阀连接。
The other end of the second flow limiting tube connects with the midpoint shunt valve.
第二限流管的另一端与中点分流阀连接。
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