A、enough；to
B、too；to
C、such；so
D、so；that
更多“The crankshafts on the large modern 2-stroke crosshead engines are （）big （）makes as a single unit and so are constructed by joining together individual forgings.”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、laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places B、measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution C、rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom D、taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
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、bedplate, connecting rods B、crankshaft, the connecting rods C、frames, crossheads D、crankshaft, the cylinder
A、provide energy to operate the engine between power impulses B、neutralize the primary inertia force of the crankshaft C、reduce the shock of starting loads on the main bearings D、prevent the engine from operating at critical speed
A、engine to the bed B、rocker arm to the camshaft C、crankshaft to the gear train D、piston to the crankshaft
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