The difficulties in reading meter, charging and managing induced by indoor installation mode of gas meter are analyzed.
分析了燃气表在户内的安装方式带来的抄表难、收费难和管理难的问题。
2
Steps and key points of installation and adjustment of double-bell type top charging equipment in middle and small blast furnaces are introduced.
主要叙述双料钟式中小高炉炉顶装料设备安装调试的方法、步骤及要领。
3
A parallel plate condenser with installation of drying air, lighting and charging is provided, which can keep charge numbers constant in demonstration experiment.