The box revetment brick in river Assess the box shield in standard type river wherein higher than-pointed out ornamental pattern is fashioned according to built by drinking water flow theory Fig. 2 is mattress die provided by the embodiment from the utility product and pedestal relationship schematic diagram； CN114104261BReduce https://jasperucfgi.blogoxo.com/33691026/automatic-pile-slinger-no-further-a-mystery