基本解释[机械工程]真空调速器词组短语短语vacuum eed governor 真空转速调节器vacuum m speed governor 真空转速调节器vacuum -type governor 橡皮轮调速器windshield wiper vacuum governor 风挡水刮真空调节器wiper vacuum governor 刮水器真空调节器专业释义机械工程真空调速器