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單項(xiàng)選擇題

The bed-plate is secured in the longitudinal direction by means of bolts known as （）.

A.end-chock bolts
B.side-chock bolts
C.through bolts
D.tie rods

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單項(xiàng)選擇題

The bearing shells depend on the accuracy of （） to held them in a truly circular shape.

A.the gap
B.the clearance
C.the bore
D.the housing

單項(xiàng)選擇題

The bearing shell generally has （） for location and oil grooves round the center of its axial length.

A.tips
B.tags
C.lips
D.keys

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