A、dynamically balanced
B、statically balanced
C、counter balanced
D、resonantly balanced
更多“A crankshaft whose center of gravity coincides with its center line is said to be （）.”相关的问题
A、A.twice the crankshaft speed B、B.half the crankshaft speed C、C.the same speed as that of the crankshaft D、D.a speed independent of that of the crankshaft
A、opposed to the crankshaft rocking couple B、resonant with the crankshaft natural frequency C、critical fore and aft crankshaft vibrations D、horizontal whipping motions of the crankshaft
A、once each crankshaft revolution B、twice each crankshaft revolution C、every other crankshaft revolution D、every fourth stroke
A、one half crankshaft speed in a two-stroke cycle diesel engine B、crankshaft speed in a two-stroke cycle diesel engine C、two times crankshaft speed in a two-stroke cycle diesel engine D、one-fourth times crankshaft speed in a four-stroke cycle diesel engine
A、A vessel on the starboard bow whose bearing is changing and range is decreasing B、A vessel on the starboard bow whose bearing is steady and range is increasing C、A vessel on the port bow whose bearing is steady and range is decreasing D、A vessel on the port bow whose bearing is changing to the left and range decreasing
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