单项选择题
A.ship draft B.pitch C.engine load D.oil viscosity
With VIT the start of injection may be （） as the engine...
单项选择题With VIT the start of injection may be （） as the engine load is reduced within a certain range.
A.advanced B.retarded C.relayed D.cut off
With Variable Injection Timing the start of injection m...
单项选择题With Variable Injection Timing the start of injection may be （）as the engine load is reduced.
A.advanced B.retarded C.kept constant D.none of the above
With the shell and cap assembled as for running, a chec...
单项选择题With the shell and cap assembled as for running, a check must be made that the clearance between the cap and the housing （）.
A.has a nip B.is large enough C.is zero D.are suitable
