泊头市京泊锅炉辅件厂是华北地区炉排的主要生产厂家之一。
Botou City Kyung Park Des boiler factory is in North China grate one of the main manufacturers .
京石高速公路及其辅道汽车油耗比较分析
Comparison Analysis of Vehicle Fuel Consumption on Jing - Shi Expressway and Its Corresponding Parallel Road
京辅