单词：fuel lean
fuel lean的用法和样例：
例句
- The experimental investigation was conducted for the fuel-circumferential-staging combustor with two domes to improve the lean blowout fuel air ratio.摘要为降低贫油熄火油气比，对双头部燃烧室进行了燃油周向分级贫油熄火模拟实验研究。
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