???????????????????
????“????”?,??,?,????????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???????,????,????????????????????(????????? ???? ????? ?)
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