majority key meaning in English

主关键字

In order to change the situation of refitting the petrol auto for cng auto developed slowly , chongqing actively develops the technical research on gas automobile engineering , for the moment has already grasped the majority key technology of the natural gas automobile industry and offered dozens of items of performance test and appraisal successfully for a lot of large - scale automobile enterprises such as china faw group corporation , saic - volkswagen co . , ltd . etc . the engineering level of cng vehicle , cng station complete equipment , nature gas cylinder and gas selling machine as well as high pressure valve that chongqing developed are in the leading position at home , the scale of industry has already taken shape tentatively
另外，苏州市客运管理处透露，除了发展“智能公交”外，苏州市今年城市公交还有四件大事，分别为淘汰现存的28辆通道车，更新300辆公交车搭建科学有效的三纵三横两环的公交线网主骨架大规模建设苏州目前急需的公交站场，其中一处位于新汽车南站附近苏州市公共交通规划方案争取通过市政府审议全面完成中巴车收购淘汰，实现城乡公交一体化。