- 信號(hào)設(shè)備
- alarm signal notification appliance: 報(bào)警信號(hào)通知裝置
- communicating signal appliance: 聯(lián)絡(luò)信號(hào)裝置
- sound signal appliance: 音響信號(hào)器具
- trouble signal notification appliance: 故障信號(hào)通告裝置
- appliance: n. 1.器具，用具；器械；裝置，設(shè)備。 2.適用，應(yīng)用。 Stoves, irons, etc. are household appliances. 爐子、熨斗等是家庭用具。 appliance of (a principle) to... 把(原理)應(yīng)用到…上。
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