The needle valve in a fuel valve will （） when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.<br>A:be jammed<br>B:be opened<br>C:be seated<br>D:be broken

The needle valve in a fuel valve will （） when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
A:be jammed
B:be opened
C:be seated
D:be broken

出自：海船船员证

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