柴油车尾气粒子，是城市烟雾的主要组成部分，是由外表包裹着有机化学和五金的碳芯组成的。
Diesel exhaust particles, a major part of urban smog, consist of a carbon core coated with organic chemicals and metals.
虽然电动冷却泵失去了外网供电，但是备用的柴油发电机开始运作，超纯冷却水继续循环使堆芯降温 。
The electric cooling pumps had lost power from the grid, but back-up diesel generators kicked into action, and ultra-pure cooling water continued to circulate through the cores.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
应用推荐