1?????????17??,??(?????????“????”)??????????????????,????????,????2000???????????????????
?,????,?????????????????????“?”,???????????????,????,????????????????,????????
????,?????????????2000????,??????????????10000psi(???????????????????????????????????),???690???,???????46?,????????30????????????????,??????????????????(?? ??????????????:??????)
?:????????
???????????:??????????120%
??6??????????????????
??????????37?????1.03??
????????????????????
?????????????????1?1?
???-????????????2-0??
???-???2???????4-1????
??????????????12????
???????????????+??????
????????????????????
???????????:??????????
??????:??????????????
?????????????????????
???????????????????
???????:?????????????
?????????????????????
????????????????????
??19+8????????19+16??????
???????????????????
??????????????“??”??
YG?????????????????????
???28???????????:?????????
?????????7???????????????
?????????:????????????
?????????????????????