????:2025-01-18 14:39:03 ??:????
????:?????????:????????
1????17???,????????????????(?????????“?”)??????????????,??????????????,???????????????????????????????????2000??
??????????????????,??????,??????“????????”,????????,???,????????????????????????????????????????,????????????
????,???????????????2000??,?????????10000psi(??),???690???????,?????????46?,????30??????,????????????????????????(??????? ?:?)
????:????
????