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Terms for subject Ecology containing lean | all forms | exact matches only
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disadvantage lean surface不利倾斜结构面
fuel-lean combustion贫燃料燃烧
lean combustion稀薄燃烧
lean concrete少灰混凝土
lean solution贫溶液
lean solution filter贫溶液过滤器
methane lean gas甲烷贫气