A、A.line shaft bearings
B、B.connecting rod beatings
C、C.main bearings
D、D.support bearings
更多“The bearings used to support the crankshaft are generally called （）”相关的问题
A、should never use radar bearings B、should only use radar bearings when the range exceeds the distance to the horizon C、can use radar information from one object to fix the position D、must use information from targets forward of the beam
A、can use radar information from one object to fix the position B、should never use radar bearings C、should only use radar bearings when the range exceeds the distance to the horizon D、must use information from targets forward of the beam
A、the best fix is obtained by using a tangent bearing and a range B、and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings C、and using ranges，the most rapidly changing range should be measured last D、and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
A、A.reduce the wear of bearing surfaces B、B.cool the bearing surfaces C、C.assist in sealing bearing surfaces D、D.all of the above
A、the bearing near to the diesel engine B、the intermediate bearing near to the thrust bearing C、the intermediate bearing near to the sterntube D、the bearing located at the middle of the diesel engine and the sterntube
A、the block bearing B、the camshaft bearing C、the connecting rod small end bearing D、the connecting rod large end bearing
A、a small error in bearing or in laying it down on the chart has a greater effect in misplacing the position the longer the line to be drawn B、all scales are kept updated for vital information by Notices to Mariners C、the larger the scale of the chart，the greater the detail that can be shown on it D、the mariner using the medium scale charts for passage along a coast need not transfer on to a large scale for short distances
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