The heavy truck, small truck and micro truck have all contributed to the growth. But the only minus rate appeared in medium truck market with 14.34% in decrease.
其中重卡、轻卡和微卡均有不同程度的正增长，唯有中卡市场出现较大幅度负增长14.34%。
The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
利用宏观分析、显微检验、硬度测试和装车试验等手段，对引进奥地利重型汽车内齿圈按照新的气体氮碳共渗工艺处理后的质量进行了研究。
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