As the plunger moves up, the ports are closed and the fuel （） and delivered to the injector nozzle at very high pressure.<br>A:being compressed<br>B:to be pumped up<br>C:is pressurized<br>D:are built up

As the plunger moves up, the ports are closed and the fuel （） and delivered to the injector nozzle at very high pressure.
A:being compressed
B:to be pumped up
C:is pressurized
D:are built up

出自：海船船员证

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