ball-and-sunk adj.鉸鏈球形ball-and-stocket n.球窩式ball-and-spigot 球銷式,球塞式ball-and-socket joint 球窩連接；球窩關(guān)節(jié)。ball-and-socket head 球窩節(jié)頭ball-and-socket gear shifting [交通運輸工程]球座式換檔裝置ball-and-socket 滾珠和承窩ball-and-race type pulverizer mill [經(jīng)濟學(xué)]鋼球座圈式粉碎機ball-and-dish seat type valve [能源科學(xué)技術(shù)]球及球座型閥ball-and-chain crawler [能源科學(xué)技術(shù)]球形刮刀ball wire nail [材料科學(xué)]球頭圓鐵釘ball winding machine [經(jīng)濟學(xué)]團絨機ball washer ball warp 球經(jīng)ball viscosity [材料科學(xué)]落球黏度[化學(xué)]落球黏度ball viscosimeter [化學(xué)]落球式粘度計ball vendor [體育]回球盤ball valve seat [交通運輸工程]球閥座ball valve for air supply [電子、通信與自動控制技術(shù)]氣源球閥ball valve [機] 球閥，彈子閥；球形閥