n.横沟花纹,轮胎 longitudinal grooved profile: 纵向花纹grooved pins-parallel: grooved平行沟槽parallel roll profile: 平辊型plane parallel to the profile: plane侧平面grooved: 槽形的; 带槽的; 具沟的; 开槽的; 开坡口的; 有槽下载手机词典可随时随地查词查翻译