????:2025-01-19 01:51:32 ??:????
????:?????:?????
1????????17?????????????????????,???????(??????????????????“??????”)????,?????????,??????2000???
?????????,?????????,???“????”,???????????????????????????????????,??????????????,?????????,?????
??????????????,????2000??,????????10000psi(?),????690????????????????,??????46?,???????????????30???,????????????????????(???? ??:?)
??????????????????:?????????????
????