采用合理的熔炼工艺、选择合适的碳当量及孕育方法是提高冶金质量的先决条件。
Adopting rational melting process and proper carbon equivalent as well as inoculation process is the precondition to improve the metallurgical quality of castings.
压缩天然气或压缩天然气是在零售层面出售或者通过质量，能量单位或“一加仑汽油当量”或专家组。
Compressed Natural gas or CNG is sold at the retail level either by mass, energy units or "gasoline gallon equivalents" or gge.
基于污染物当量计算方法，探讨了1996年- 2007年三峡水库建设期间污染物来源、各污染源及污染物当量逐年变化趋势，初步分析了库区水体水环境质量总体变化趋势。
Based on the pollutant equivalent method, the trends of pollution source and pollutant load in 1996 ~ 2007 are studied and the trend of water environment quality in Three Gorges Reservoir is analyzed.
在汽车当量动力简化模型中，第一集中质量与第二集中质量之间振幅差值较大。
In an equivalent dynamic simplified model of motor vehicle, the difference in vibration amplitude between first and second concentrated mass is quite great.
阐述了发动机曲轴动平衡试验时在曲柄销上需加装当量质量的原因，并提出了在曲轴动平衡试验时当量质量的计算方法。
The reason why crankshaft must be equipped the equivalent ring at the crankpin when the dynamical equilibrium test is made is pointed out.
首先，根据汽车动力传动系统的扭振当量原则与方法，分别建立了怠速工况与正常行驶工况下发动机、双质量飞轮以及传动系统的无阻尼多自由度扭振当量模型。
First of all, the two undamped multi-freedom torsional vibration models of DMF under idling and driving condition are built based on the principles of vehicle power train equivalent torsional model.
首先，根据汽车动力传动系统的扭振当量原则与方法，分别建立了怠速工况与正常行驶工况下发动机、双质量飞轮以及传动系统的无阻尼多自由度扭振当量模型。
First of all, the two undamped multi-freedom torsional vibration models of DMF under idling and driving condition are built based on the principles of vehicle power train equivalent torsional model.
应用推荐