短語(yǔ)詞組短語(yǔ)groove e shape 槽形groove -shape 槽型sine groove shape 正弦槽形wheel groove shape 輪槽形狀groove with 8 shape 字形油槽t shape groove t 型槽t -shape groove 型槽peach shape groove raceway 桃形溝道u -shape groove U型槽 返回 groove shape