A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.<br>A:expansion ratio<br>B:pressure ratio<br>C:compression ratio<br>D:clearance ratio

A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.
A:expansion ratio
B:pressure ratio
C:compression ratio
D:clearance ratio

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