1) heavy-duty diesel bus
大型柴油客车
1.
Real-world emission data of heavy-duty diesel buses under different emission standards were collected by using the portable emission measurement system(PEMS).
在利用先进的车载尾气检测技术(PEMS)收集了我国大型柴油客车尾气的实时排放数据的基础上,分析了不同排放标准下车辆(国Ⅰ、国Ⅱ、国Ⅲ)的CO、HC、NOx和PM排放因子与速度的关系;使用MOBILE6模型,经过模型参数校正,预测了相应车辆的排放因子,并与不同排放标准下的车辆排放实测值进行对比,从而验证了MOBILE6模型对我国大型柴油客车尾气排放预测的适用性。
2) heavy-duty diesel vehicle
重型柴油车
1.
Size distributions of PM emissions from heavy-duty diesel vehicles on road;
重型柴油车实际道路排放颗粒物的粒度分布
3) light duty diesel vehicle
轻型柴油车
1.
The European exhaust emission limits and exhaust emission characters of light duty diesel vehicles were introduced in this paper.
本文介绍了轻型柴油车的欧洲排放标准及尾气排放特点,综述了轻型柴油车氧化催化剂技术的研究和开发进展。
4) bus
[英][bʌs] [美][bʌs]
大型客车
1.
Study on Guardrail Impacted by the Bus Performance Evaluation and Numerical Simulation;
大型客车碰撞护栏评估与数值模拟研究
2.
Harness Design Based on a CAN/LIN Network for a Large Bus
一种基于CAN/LIN网络的大型客车线束设计
3.
Printing technology for bus glass has its own characteristics.
大型客车玻璃的网印工艺不同于小轿车,具有其自身的特点。
5) heavy diesel engine
大型柴油机
1.
The reason of failure and break had been investigated for heavy diesel engine crankshaft which broke by fatigue on the basis of the physical test and chemical analysis,macrograph and microfracturegraphy(SEM、EDS) of the broke crankshaft.
用化学分析、力学性能试验、扫描电镜等方法分析了某大型柴油机曲轴早期断裂的原因。
6) large-sized and medium-sized bus
大中型客车
1.
Analysis for large-sized and medium-sized bus market in China;
中国大中型客车市场竞争分析
补充资料：大型
1.形状或规模大的。
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