选择，测量，切割，铰孔和螺纹连接管道，安装喷头，并爬上备用管道。
Select, measure, cut, ream and thread pipe, install sprinkler heads and mount prepared pipe in supports.
本实用新型的优点是可以不用任何工具将连接管与电磁脉冲阀输入端螺纹相联接。
The utility model has the advantage of that the connection pipe can be connected with the thread of the input end of an electromagnetic impulse valve without any tool.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
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