https://www.reddit.com/r/Costco/comments/50whft/is_costco_gas_quality_the_same_as_exxon_shell_and/
买1tank油时再备1个空tank，自己加添加剂+测试
味苦
2019-01-19 16:50:27买1tank油时再备1个空tank，自己加添加剂+测试