A、nuts and bolts
B、new joints
C、spring force
D、sealing rings
更多“Each cylinder has one starting valve which is usually opened by air pressure and closed by （）”相关的问题
A、injecting fuel oil into a cylinder B、removing exhaust gases from the cylinder C、forcing air into the cylinders under pressure after the exhaust valve has dosed D、a combination of all the above
A、the bottom of the column；the cylinder blocks B、the top of the column；the cylinder heads C、the top of the column；the cylinder blocks D、the bottom of the column；the cylinder heads
A、is usually cooled by sea water B、can be replaced when worn out C、is in direct contact with the water in the bore of the cylinder D、can t expand when heated
A、excessively late injection timing for each cylinder B、incorrectly adjusted intake valve timing C、incorrectly adjusted fuel injector D、incorrectly adjusted intake valve clearance
A、high exhaust temperature B、low exhaust temperature C、fuel knock in each cylinder D、mechanical knock in each cylinder
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