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If the branch pipe has a trap of 40 cm, it is fine, if there is no 25-30 cm.
If you want to calculate the length of the tube, then it should be measured in meters of extension, starting from the center line of the tube.
The kitchen is draining, I don't know if I go downstairs for a while, and I will go downstairs to Huizhou nutrition, of course, it will be affected.
It is recommended to choose the pipe of the curved water trap, which can play the role of water seal and avoid odor!
It can be tightly wrapped with waterproof tape (self-adhesive tape), because there is no pressure, it is perfectly fine.
There is spring water in the south and north, but the gulls are coming day by day. The flower path has never been swept by guests, and the Pengmen is now open for you.