Steel sheet piling lossis u steel ntawv pawg, yog ib qho khoom siv siv ntau hauv ntau yam haujlwm. Ua los ntawm cov pa roj carbon steel, nws yog ib qho kev daws teeb meem ntau thiab ruaj khov rau khaws cov phab ntsa, kev khawb ib ntus, cofferdams, thiab ntau lwm yam kev siv. Qhov loj ntawm U-...
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