基本解釋投擲開(kāi)關(guān)詞組短語(yǔ)短語(yǔ)throw -over r switch 投擲開(kāi)關(guān)rotary throw -over switch 交換開(kāi)關(guān)automatic throw -over switch 自動(dòng)轉(zhuǎn)換開(kāi)關(guān)rotary y throw -over switch 交換開(kāi)關(guān)throw-over switch更多詞組專(zhuān)業(yè)釋義琯理學(xué)投擲開(kāi)關(guān)