各种运行工况条件下发动机的完全保护，延长发动机使用寿命。
Various operating conditions of the engine under full protection. Prolong engine life.
所以安装驻车加热器能全面保护发动机，延长发动机使用寿命的30%。
So install parking heaters can fully protect the engine, extending engine life by 30%.
长期使用，几倍延长发动机使用寿命，适用于行驶5万公里以上的四缸发动机。
Long term use, several times to extend the service life of the engine, for travel 5 million kilometers of four-cylinder engine.
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