four-valve receiver 四灯接收机
four valve element 四阀元件
four valve bank example 四阀组合实例
four valve group 四阀组件
Four-valve DI diesel engine 气门直喷柴油机
four-valve RFVC 四气门rfvc
four valve diesel engine 气门柴油机
four-way valve [机] 四通阀 ; 四通换向阀 ; 换向阀
four-valve di diesel engines 气门直喷柴油机
The research and analysis of the in-cylinder flow fields in a four valve engine under the motored condition have been carried out.
在倒拖工况下对四气门发动机气缸内流场进行了实验研究和分析。
In addition, the measurement on pressure loss cross one side of four-way diverter valve has been carried out and some questions on pressure loss of four-way diverter valve are posed.
同时，也对四通换向阀进行了单侧压力损失测量，对四通换向阀说明书上的压力损失参数的准确性提出了质疑。
To change this four-way valve will only take five minutes.
换这个四通凡尔只需要五分钟。
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