??????????????2000????????

??: ????
2025-01-19 08:44:45

1??17????,?????????(??????????????????“??”)???????????,??????,????????2000??

?????????????????????,???,???“??????????????”,?,????,???????????,???????????????????

??,???????2000?????????,?10000psi(?????????????),???????????????690???????????????????????????????????,??????????????46?,?30????????????????,??????????????????????(???? ????????:????)

???????:?????

??

???:????
??:???????????,??????????,??????????????
???? ??

Copyright ? 2023 Sohu All Rights Reserved

???? ????