???????????????????
???????????????????“???????????????????”????,????,???,????2??5???????,????
???(????????/??-????)??,??,????????????,?????282.77????????,??10Mpa?
??????81.52???????,???????,???????????????????24.1?????????,???????????48.7%(?12??),??47.9%(???????11.8????),?29.1%(??7.2????????),????????????????????????20%;??8?,????????????????30%,??10??????
?????????????????,????????,????220??,????70%,?????????????2027??,??????????????,??????????(?? ?????????? ?? ??)
????:???????
??
???:????