加拿大石油是含油砂的重油，美國煉油水平高，所以運到美國去煉。中國煉加拿大重油，希望控製好汙染
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
