试验表明：安装催化转化器和二次空气供给阀后的二冲程摩托车的排放有了明显的下降。
The experimental results have shown that exhaust emissions from two stroke motorcycle with the catalytic converter and feeding valve for secondary air have been reduced obviously .
本方案解决了在对动圈 支撑导向的同时，满足电动冲击台长冲程、高精度冲击的试验要求。
The scheme meets the test requirements on long stroke and high precision impact of electric impact platforms, and simultaneously supports and guides moving coils.
同时，在本田hodna G200单缸四冲程汽油机上进行了相应的系列试验。
At the same time, simplex four stroke gasoline engine has carried on the corresponding series experiment in Honda HODNA on the G200.
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