短語詞組短語shift cylinder valve 變速油缸閥shift cylinder valve body 變速油缸閥躰shift overcontrol valve [車輛]強制換檔閥speed shift control valve 變速控制閥shift over valve 轉(zhuǎn)換閥shift dump valve [機]換檔卸載閥shift cylinder valve spool 變速油缸滑閥shift buffering valve 換檔緩沖閥gear -shift t valve 調(diào)速閥 返回 shift valve