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單項(xiàng)選擇題

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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單項(xiàng)選擇題

A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.

A.compression pressure
B.compression test
C.compression ratio
D.compression clearance

單項(xiàng)選擇題

A distance piece, known as a （） may be interposed between the rod and the bearing housing.

A.bearing shell
B.bearing liner
C.compression plate
D.lead wire