Relating to an internal combustion engine designed to run on a lean mixture to reduce pollution.
（与）稀燃（有关）的（指内燃机设计为减少污染而使用贫燃料混合气的）
lean-burn technology
稀燃技术。
Example sentencesExamples
Such diesel engines and ‘lean-burn’ petrol engines are more economical than conventional engines.
They have been proven to go beyond the lean-burn limit of a standard spark ignition.
The main difficulties came from the variability between cylinders, which was amplified during lean-burn operation.
With lean-burn natural gas, propane or dual-fuel industrial engines, you face tough, twin challenges in exhaust emissions control - with stiff penalties for non-compliance.
Businesses that run lean-burn, spark-ignited natural gas industrial engines face the same challenges as other gas-fueled engine operators - and then some.
Definition of lean-burn in US English:
lean-burn
adjectiveˈlēnˌbərn
Relating to an internal combustion engine designed to run on a lean mixture to reduce pollution.
（与）稀燃（有关）的（指内燃机设计为减少污染而使用贫燃料混合气的）
lean-burn technology
稀燃技术。
Example sentencesExamples
Such diesel engines and ‘lean-burn’ petrol engines are more economical than conventional engines.
With lean-burn natural gas, propane or dual-fuel industrial engines, you face tough, twin challenges in exhaust emissions control - with stiff penalties for non-compliance.
The main difficulties came from the variability between cylinders, which was amplified during lean-burn operation.
They have been proven to go beyond the lean-burn limit of a standard spark ignition.
Businesses that run lean-burn, spark-ignited natural gas industrial engines face the same challenges as other gas-fueled engine operators - and then some.