Specification for plastic mechanical fittings for use on outside diameter controlled polyethylene gas distribution pipe and tubing 外径可控的聚乙烯供气管道用塑料机械配件规范
Gas supply systems - pipelines for maximum operating pressure over 16 bar - functional requirements ; german version en 1594 : 2000 供气系统.最大工作压力大于16巴的管道.功能要求
Gas installations - requirements for the choice of flat gaskets used in network supplied gaseous fuels or from cylinders 燃气装置.在供气态燃料管路或气瓶中使用的平垫圈选择的要求
Household economy - reinforced flexible rubber tubing for the external connection of domestic appliances using gaseous fuels by networks 家政.使用网路供气的家用器具的外部连接用
Plans for public supplies , for water engineering and for transmission lines ; plans for public pipesystems for gas and water supply 供电供水和输电线路工程计划.第2部分:供气供水管
Isolating joints ready for installation into service pipes in gas and water supply ; built - in - isolating joints ; requirements and tests 进宅供气和供水管路安装用商品绝缘接头.要求和检验
The experimental study on dynamic performance of a new type of bearing with holes of tangential supply in the cryogenic environment 低温供气条件下新型切向小孔气体轴承动特性的实验研究
The piping natural gas capacity is 5 . 83 million m3 per year which can supply 20 thousand households and enterprises for use 管输燃气目前年供气量583万立方米，可供2万户居民和企业使用。
