把原油分餾加工成為成品油，那些硫和蠟雜質都去掉了，輸油管就不用加熱了也不容易被腐蝕，省老事了。

來源: 天青水藍於 2024-03-17 16:33:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.