短語詞組短語Manual changeover valve 手動切換閥塊manual changeover signal [計]人工轉(zhuǎn)換信號manual changeover acknowledgement signal 人工轉(zhuǎn)換証實信號manual changeover procedure [計]人工轉(zhuǎn)換程序;繙譯;人工轉(zhuǎn)換程序英語manual -electric changeover switch 手動 返回 manual changeover