ampoule tube

To introduce process,equipment and technology parameters of sealed pipe type hot galvanizing for steel wire and to analyze in detail property of coat and process devices.

介绍密闭管道式钢丝热镀锌工艺、设备及技术参数,详细分析镀层的性能和工艺装置。

By analysing unreasonable underground ventilating facility, the paper puts forward the methods of strengthening permanent airtight wall management.

对密闭墙位置不合理不利于矿井防火,可造成人员窒息事故、角联通风的原因进行了分析,提出了对密闭墙建立台账的密闭墙管理办法。