动转换开关 rotary throw-over switch: 交换开关throw over switch: 投掷开关; 投掷式转换开关; 转换开关throw-over switch: 扳倒开关; 投掷开关over throw: 后撑后翻肩上投球throw over: 翻越; 换接; 换速; 抛弃(计划等); 遗弃; 转换下载手机词典可随时随地查词查翻译