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2.405 Piping erection work include: prefabrication, placing, aligning, welding and bolting.
管道安装工作包括：预制加工、安置、对准、焊接和连接。收藏指正
3.Engineering consu-etation of deiegn for coal-fired power dlant, especial in the fields of thermal system, mechanical equipment selection and the lagout and erection of the tquipment and piping in dower plant.
火力发电厂工程设计咨询、热机工艺系统拟定及其计算、热力设备选型选择、系统及设备的布置和安装设计。收藏指正
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