第一阀门元件可定位在第一端口中，并且导流器可定位在连接部分中。
A first valve element may be positioned within the first port and a fluid director may be positioned within the connecting portion.
本发明继续对处 于阻塞状态的第一端口（2）解除活动，由此使得通过停用链路连接的第二端口 （1）处于链路断开状态。
The present invention proceeds by deactivating a first port (2) in the blocking state, whereby a second port (1) connected via an inactive link is caused to assume a link-down status.
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