The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.<br>A:shrunk into<br>B:expanded into<br>C:extended into<br>D:designated into

The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.
A:shrunk into
B:expanded into
C:extended into
D:designated into

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