这些管子都标注了“J”，其含义为军用级，而且它们真的很便宜，大约每只5美元。
All of them also marked "J" means military grade, and it's really cheap, about USD$5.00 per piece.
而且，如果你真的很吝啬的话，你也没有必要用特别好的汽油应该放弃高级油使用便宜的。
Also, if you really want to penny-pinch, and you don't need to be using premium fuel in your car, ditch the premium gas and use the cheaper stuff.
而且，如果你真的很吝啬的话，你也没有必要用特别好的汽油应该放弃高级油使用便宜的。
Also, if you really want to penny-pinch, and you don't need to be using premium fuel in your car, ditch the premium gas and use the cheaper stuff.
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