单选题The （） of the main shaft should be measured with a （）.Aclearance；calipersBsinking；bridge gaugeCdiameter；bridge gaugeDclearance；lead wire
单选题
The （） of the main shaft should be measured with a （）.
A
clearance；calipers
B
sinking；bridge gauge
C
diameter；bridge gauge
D
clearance；lead wire
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