短語詞組短語Manual butterfly valve 進口手動蝶閥;手動蝶閥manual stop valve 手動止動閥;手動截止閥manual globe valve 手動截止閥manual load valve 手動裝載閥manual shift valve 手動換檔閥manual operating valve 手動操作閥manual directional valve 手助換向閥Manual brake valve 手制動閥manual tune valve 手動下降閥 返回 manual valve