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