diesel engine
柴油機
Diesel, Die·sel en·gine or Die·sel mo·tor. A type of internal-combustion engine in which the air drawn in by the suction stroke is so highly compressed that the heat generated ignites the fuel (usually a heavy oil), the fuel being automatically sprayed into the cylinder under pressure. The Diesel engine has a very high thermal efficiency.
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diesel engine
n : an internal-combustion engine that burns heavy oil [syn: diesel,
diesel motor]