基本解釋投擲開關(guān)詞組短語短語throw -over r switch 投擲開關(guān)rotary throw -over switch 交換開關(guān)automatic throw -over switch 自動(dòng)轉(zhuǎn)換開關(guān)rotary y throw -over switch 交換開關(guān)throw-over switch更多詞組專業(yè)釋義管理學(xué)投擲開關(guān)