????:1???????453??780?:????????vx

2?????600??

3???????

4?????????

5???????

?????????????????????1????????3?? (????? ??)??3??????????????????????,???????????

???,??????10??????,????6???

????????????????????1500?,??“????????”?,?????,??????????,?,?????????????????????????????????????,????????????????«????????»?????,????????????

1???????????????3??????????????????????,???????????????????????????????? ???????????????? ????

???????????2019?3?????,?????,???,??????????“21???????”??????????????????,????????????????????????????????????LNG????,???????????????,???????????????,???????

???,??????????????????????,?1.5??,??3.7?????

???,???????????,?????????(?????)

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