groovern.开槽机grooven.槽；纹；习惯v.开槽；使 ... 快活grooved surface pattern凹槽图型表面grooved urethral bougie有沟尿道探条Grooved Wheel Mechanism槽轮机构groove of crus of helix耳轮脚沟groove width coefficient沉降槽宽度系数groove-wheel mechanism槽轮机构groove for crus of helix耳轮脚沟grooveless flange gasket无槽凸缘垫圈groove-bottom diameter内槽径Groove-billed Toucanetn.沟嘴巨嘴鸟