?? ???????????
????:1?????????:????????????
2????
3???????????
4?????????
5?????vx
??11????????25?????????? (??? ??)??25??,??,??,?????????11???
????,????? ?????? ????,??????????,22??24?,????????????????????????????,???6.2????????8.7??,??????????«????????»(DB63/T372-2018),????,??????????????????????,???????????????????5??
??,??????,11???24?08??????25?08??,????????,???????????367???,???0.1??13.5??,????????,??8.1???????????,?????,???8?????????????????24??(GB/T28592-2012),??194?????????84??????????79?????????????????10????????????11????????????,??11?1???(?????)
?????:????????