A cylinder gauge capable of comparing and measuring a diameter of {HEAD ~ a hole} of {TAIL ~ a workpiece} 
of
A cylinder gauge capable of comparing and measuring a diameter of { HEAD ~ a hole } of { TAIL ~ a workpiece }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL