Traditional Culture Encyclopedia - Weather forecast - What is the pore size of the tube for micro-control aeration in crab pond? What is the distance between pipes? How much is a meter of pipe?
What is the pore size of the tube for micro-control aeration in crab pond? What is the distance between pipes? How much is a meter of pipe?
The existing microporous oxygen-increasing pipe in the crab pond,
Aperture, commonly used are 16* 10 model, 1 yuan -3 yuan/meter (market price).
The newly promoted models are 25* 13, or 20* 13, 3 yuan/m-10 yuan/m (different manufacturers, different quality).
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