Rhenium is used to make high-temperature alloys for jet engine parts and in high-octane, lead-free gasoline.
铼可以用来制造喷气式发动机的耐高温合金部件，也是高能量的无铅汽油的成分。
In addition, the lead free gasoline is being used in the engine, so vavle seat insert (VSI) must be made by scpecial materials.
燃料改用无铅汽油以后，阀座部分必须用特种材料制造的镶圈来补强，这种镶圈就是通常所谓的阀座圈。
Please fill up my gasoline tank with lead free premium gas.
请加满油箱-无铅高级汽油。
Please fill up my gasoline tank with lead free premium gas.
请加满油箱-无铅高级汽油。
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