SOUNDING PIPE AND 测深头,测深管头 船用大口径测深管头,测深注入头 顺利交付: ①不锈钢测深注入头A100 CB/T3778-99:材质316不锈钢 ②测深注入头A150 CB/T3778-99:材质碳钢 船用测深头,测深管头,测深注入头 Sounding head CB/T3778-99 ①A150 CB/T3778-99 钢甲板测深注入头-测深