Petroleum and natural gas industries - pipeline transportation systems - welding of pipelines 石油和天然气工业.管道输油系统.管道焊接
Rubber hoses and hose assemblies for fuel truck delivery - specification ; german version en 1761 : 1999 油罐车输油橡胶软管和软管组件.规范
Increasing the distance from oil hole to inner annulus of the stuffing box can prevent the fatigue 适当增加输油孔到填料盘内环的距离可以预防裂纹的产生。
Pe oil transmission , gas pipeline and control of production , sales and after - sale products produced Pe输油、输气管道和管件的生产，销售自产产品及售后服务。
Study of the optimal scheme for the daily operation of northeastern oil pipeline network based on the peak - valley price 峰谷电价体制下东北输油管网日输油优化研究
Standard for quality inspection and evaluation of petroleum construction engineering oil and natural gas pipeline project 石油建设工程质量检验评定标准输油输气管道线路工程
Study on the oil spill risk accident and countermeasures during the oil transportation process in the antarctic great wall station 南极长城站输油过程溢油事故风险与防范对策研究
The pm55 type fire truck suits to kill the fire of in oil field ? storehouse and fire brigade for big medium cities Pm55型消防车是石油化工企业、输油码头、机场以及大中城市专职消防队和企事业消防队必备车辆。
Use : as a single coat anticorrosive fbe coat for exterior steel pipe line for transportation of oil and gas , water and other finished products 应用领域：主要应用于各种输油、输气、输水等钢质管道的外壁防腐。
It is suitable for oil delivery in commercial , industrial and agricultural fields to improve working efficiency and relieve labor intensity 它能提高工作效率，减轻劳动强度，因此，适合商业、工业、农业等行业作输油之用。
