船舶发动机装置自动化 ship engine plant automation
它主要由工业水下爆炸，大洋钻探，及船舶发动机造成的。
It is caused mainly by industrial underwater explosions, ocean drilling, and ship engines.
主要产品有：汽车、摩托车、船舶发动机凸轮轴，油泵凸轮轴及新型干法水泥生产线的熟料槽式输送机及铸钢件铸铁件等。
Main products: automobiles, motorcycles, ships camshaft engines, pumps camshaft and new dry cement clinker production line conveyor trough Iron and Steel Castings and other.
人为释放二氧化氮的主要来源是燃烧过程(供热、发电以及机动车和船舶的发动机)。
The major sources of anthropogenic emissions of NO2 are combustion processes (heating, power generation, and engines in vehicles and ships).
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