系统内的所有流量控制装置，如单向活门.燃油泵.储压器和继电器均应包括在内。

AAll flow control devices within the system, such as check valves, fuel pumps, accumulators, and relays should be included.

BAll flue control devices within the system, such as single valves, fuel pumps, storage, and relays should be included.

CAll flow control devices within the system, such as single valves, fuel pumps, accumulators, and relays should be included.