装在内燃发动机内的小电热器，用以预热气缸内的空气以利发动，尤用于柴油发动机。
A small electric heating element in an internal-combustion engine that facilitates starting by preheating the air in a cylinder and is used especially in diesel engines.
一种用于松开粘结连接、特别是发动机气缸盖上电热塞的方法和装置。
A method and device are provided for loosening a sticking connection, in particular a glow plug in the cylinder head of an engine.
在高负荷时，发动机燃用纯甲醇的热效率高于原柴油机，而且可以切断电热塞电源，发动机仍能稳定运转；
The thermal efficiency is higher than that of diesel operation at high loads, but lower at low loads.
在高负荷时，发动机燃用纯甲醇的热效率高于原柴油机，而且可以切断电热塞电源，发动机仍能稳定运转；
The thermal efficiency is higher than that of diesel operation at high loads, but lower at low loads.
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