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单选题
To prevent excessive （） in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possible.
A
thermal stresses
B
bending moments
C
thermal loads
D
surface tensions
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To prevent excessive __ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possibleA.thermal stressesB.bending momentsC.thermal loadsD.surface tensions
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