The test on the(influence) of changing fuel supply advance angle on fuel economy was carried out on single cylinder diesel engine separately using diesel fuel and ethanol-diesel blend fuel.
在单缸柴油机上分别使用纯柴油和乙醇柴油混合燃料，进行了改变供油提前角对发动机燃料经济性影响的试验。
The experimental work was carried out on a motored single cylinder test engine, using high speed simultaneous photography technique.
试验在倒拖的单缸试验机上进行，采用了同步高速摄影技术。
Series model test with 3 diameters of cylinder and 3 kinds of muddy bed material are carried out.
研究中采用了系列模型延伸法，进行了3组不同尺度的大圆筒模型和3种不同重度的淤泥底质的系列试验。
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