单项选择题
A.end-chock bolts B.side-chock bolts C.through bolts D.tie rods
The bearing shells depend on the accuracy of （） to held...
单项选择题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
The bearing shell generally has （） for location and oil...
单项选择题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
The auxiliary engine and a cgenerator can be connected ...
单项选择题The auxiliary engine and a cgenerator can be connected with （）.
A.cam B.crosshead C.bulge D.coupling
