????????2000??????????????
????:2025-01-18 18:46:26 ??:????
????:?????:????????
1???????17????????,?(????“??????”)??????????????,?????????????????????,??2000???????????????????
???????????????,???,??????????????“????”,????,????,?????????????????????,???
??????,?2000???,????10000psi(?????????),?690????????????????,????????46?,???????????????????????????????????30???????????,???????????????(?????????????????? ??????:????)
?????????:?????
????
