1.前言针对近年来节省能源、减少公害这一特别严格的社会要求,再加上长期以来对高功率化的要求,在柴油机中已采取了种种措施,对起着重要作用的零件如活塞也提出了更为严格的要求,且其型式也正在多样化。本文展望了最近柴油机用活塞的动向,并就主要问题进行了论述。 1. Foreword In response to the particularly stringent social requirements of saving energy and reducing pollution in recent years, coupled with the long-term demand for higher power, various measures have been taken in diesel engines to deal with such important components as pistons Put forward more stringent requirements, and its type is also diversified. This article looks at the recent trends in pistons for diesel engines and discusses the major issues.