1.

DURING_A_HONING_PROCESS,_RECIPROCATING_SPEED_OF_HONING_TOOL_WAS_9M/MIN_WITH_A_ROTARY_SPEED_OF_25M/MIN._CROSS_HATCH_ANGLE_IN_DEGREES_IS_EQUAL_TO?$

A. 40
B. 35
C. 30
D. 25
Answer» B. 35


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