circulation design造句

• Four main ways of keeping a drain from being blockable are outlined as : large aspect covers, long channels, large outlet grates and circulation designs that do not include fully submerged suction outlets.
• The artist Toshihiro Katayama of Harvard University, in conjunction with the landscape architect Cynthia Smith, designed a new visual look for the new circulation design, including contrasting light and dark concrete paving, stone walls and boulders.