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Fir pile revetment
Fir pile has high strength and low density, has the advantages of light weight and high strength, good elastic toughness, and can withstand shock and vibration; Under appropriate maintenance conditions, it has good durability; Fir pile has strong hygroscopicity and wet expansion and contraction, and when dried fir absorbs moisture, with the increase of adsorbed water, the volume expansion of fir will occur; Fir piles are easy to observe from the outside if they are defective.
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