单项选择题
A.overflowing B.sump C.bilge D.buffer
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.buffer B.sump C.bilge D.overflowing
The （） chamber is enclosed between the cylinder head an...
单项选择题The （） chamber is enclosed between the cylinder head and piston.
A.lubrication B.injection C.cooling D.combustion
The （） of the lubricant should be sufficient to hold th...
单项选择题The （） of the lubricant should be sufficient to hold the film together, but it should allow the lubricant to flow easily.
A.specific gravity B.viscosity C.acid value D.calorific value
