常见例句Design rules and modeling method of helical intake ports are explored.探讨了螺旋进气道的设计规律及造型的具体方法。According to the NHTSA's Web site, the recall is due to a faulty air intake duct.根据美国国家公路交通安全局的网站，此次召回是由于错误的空气进气道。 返回 intake-port