单项选择题
A.tension stretch
B.tie rods
C.through bolts
D.main bearings
单项选择题 The crankshaft is of the semi-built type, with the （） being shrunk into the forged or cast steel crank throws.
单项选择题 The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.
单项选择题 The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.