The method 1, wherein the predetermined pressure is in {HEAD ~ a range} of {TAIL ~ about 150 170 MPa} 
of
The method 1 , wherein the predetermined pressure is in { HEAD ~ a range } of { TAIL ~ about 150 170 MPa }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL