单项选择题
A.Boston Diesel Company B.base circle diameter C.switch board case D.bottom dead center
The （） in the injector will lift at a pre-set pressure ...
单项选择题The （） in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.
A.needle valve B.nozzles C.piston D.spring
The （） or balance tank collects the re-circulated fuel ...
单项选择题The （） or balance tank collects the re-circulated fuel oil.
A.overflowing B.sump C.bilge D.buffer
A.buffer B.sump C.bilge D.overflowing
