The reason why the automatic exhaust valve failed to be used for air exhaust from siphontube was investigated.
对自动排气阀不能用于虹吸管排气的理由进行了分析。
2
The feasibility was discussed for the use of Venturi tube and automatic exhaust valve for expelling air from siphontube.
探讨了虹吸管利用文氏管及自动排气阀排气的可行性。
3
The utility model can effectively clear the blockage of the siphontube of the closet, and has the advantages of simple structure, convenient installation and low cost.