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2020-10-29
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優(yōu)點及特性此種網(wǎng)大多采用鋼板網(wǎng)、異型管、邊耳、圓管焊接成,連接附件與熱鍍管支柱固定。防眩性能極好,多用于公路、高速公路、
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客土噴灑是用附聚劑使客土成粒狀結(jié)構(gòu)。增強(qiáng)纖維在類似于植物根莖的網(wǎng)絡(luò)中起著增強(qiáng)作用,從而產(chǎn)生一定厚度的雨水和風(fēng)蝕,結(jié)實而透
2020-10-10
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