Particularly, when {HEAD ~ a change} in the bore diameter of the fluid bearing of the sleeve significantly affects {TAIL ~ the loss} and rigidity, the present invention exhibits significant effects 
Particularly , when { HEAD ~ a change } in the bore diameter of the fluid bearing of the sleeve significantly affects { TAIL ~ the loss } and rigidity , the present invention exhibits significant effects
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH