运输瓶颈 meaning in English

transportation bottleneck

However , this natural endowment did not bring about outstanding economic growth for this area
中部地区能源发展面临着能源利用效率不高、运输瓶颈制约、环境污染等矛盾。
Intelligent transportation system is the direction of transportation . its is the strategy way of expressway solution also
智能交通系统( its )是交通运输发展的方向，也是解决交通运输瓶颈的重要措施。
Bottleneck does not exist in qinhuangdao port , thanks to 1 ) an extra 50m tonnes ( 35 % ) annual cargo handling capacity facilities at phases 4 & 5 of the port , and 2 ) 50m tonnes ( 25 % ) new capacity at daqin railway line which links shanxi and qinhuangdao port
在秦皇岛港没有出现运输瓶颈，这得益于1 ）港口新增了50万吨（ 35 % ）的年吞吐量， 2 ）在山西和秦皇岛之间的大秦铁路线新增了50万吨运力（ 25 % ）。