预热效果 meaning in Chinese

warm-up effect

Improve low temperature working condition , 100 % fully burning , engine interrnal clean , low influence engine oil , extend engine life , best performance condition
促进汽油预热效果，达到100 %完全燃烧，保持引擎和汽缸室的清洁，减少机油污染，能延续引擎寿命，保持最佳动力。
Improve low temperature working condition , 100 % full burning , engine internal clean , low influence engine oil , extend engine life , best performance condition
促进汽油预热效果，达到100 %完全燃烧，保持引擎和汽油室的清洁，减少机油污染，则能延续引擎的寿命，保持最佳动力。
With an introduction of the influences of the final quality of rail aluminothermic welding , such as : the quality of welding kits ( esp . the portion ) , the result of pre - heating , the welding operation and the level of operators etc . , this paper analyzes some problems when rail welding under special conditions
摘要介绍了焊接材料质量、预热效果、操作人员水平等因素对钢轨铝热焊接接头质量的影响，以及几何误差不同、轨头宽度不等、寒冷气候等特殊条件下进行铝热焊接应注意的问题。