单选题The complete assembly of bedplate, A-frames and cylinder block is held together by （） to form a rigid structure.Atap-boltsBjack-boltsCtie rodsDfitted rods
单选题
The complete assembly of bedplate, A-frames and cylinder block is held together by （） to form a rigid structure.
A
tap-bolts
B
jack-bolts
C
tie rods
D
fitted rods
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