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Usage:
It is often used to fill water-discarding engineering ad a precipitate pond and used to give life to waste water after treatment system.
Chief characteristics:
Use assembled ethylene as material, no poison and smell, good erosion-resistant, light, long lifespan, slippery pipe wall, big measure of area, high crack rate.
Specificity and chief technological mathematical reference
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MODEL
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Diameter of the inscribed circlemm
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Sizemm
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Angular magnitude of oblique tube
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