The box revetment brick in river Evaluate the box shield in standard type river wherein above-mentioned attractive pattern is fashioned according to made by h2o stream basic principle Fig. two is bed die provided by the embodiment in the utility product and pedestal link schematic diagram； CN114104261AReduce structural weightImprove https://precast-concrete-product04827.affiliatblogger.com/85519812/top-guidelines-of-automatic-pole-upper-mold-turning-device