短語(yǔ)詞組短語(yǔ)open -type slot 開(kāi)口槽semi open slot 半開(kāi)口槽semi -open slot 半開(kāi)口槽an open slot 槽位Rosewood open slot bridge 琴橋slope mine s open slot 斜井明槽Thin -wall Cylinder with Open Slot 薄壁開(kāi)口筒件 返回 open slot