A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member.
分支装置使用管托状的密封件通过主管上的管口将支管连接到主管上。
For the convenience of application, the paper also presents the pipe network coefficient formula for typical branching network and loop network in well irrigation district.
为了便于实际应用，同时给出了井灌区管灌典型情况的树状网和环状网管网系数的计算公式。
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