在分配系统中没有安装高位点的排气口，可采用高流速以及流速限制技术以确保系统的完全充填。
In distribution systems where high point vents are not installed, high velocity flow and flow restriction techniques can be used to ensure complete filling of the system.
如果阀门配备有限制流速孔，这个问题就变得更加关键。
This problem becomes more critical if the valve is equipped with a restrictive flow orifice.
所述管接 头以不可移除的方式耦合到所述进水阀，且配置有较大的近端通路和用于限制补水流速 的较小的远端计量通路。
The adapter is non-removably coupled to the fill valve and is configured with a larger proximal pathway, and a smaller distal metering pathway for restricting the refill flow rate.
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