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- key telephone unit 按键电话装置
- Key telephone systems are typically used by small offices where internal call volume is high but external call volume is low. 按键电话系统通常用于小办公室中,其中内部通话音量大,外部通话音量小。
- Control leads that come from 1A2 key telephone sets to operate features like flashing of lights to indicate on hold, line ringing, etc. 控制引导，来自1A2按键式电话，设置用于一些操作功能，如灯的闪烁用来表示摘机或线路振铃等等。
- Iwatsu Electric Co., Ltd., founded in 1938, is a leading telecommunication equipment manufacturer, marketing Key Telephone systems as its flagship products. 岩崎电子有限公司成立于1938年，是领先的电信设备制造商，按键电话系统是其主力产品。
- telephone of key telephone system 按键电话系统电话
- Modular Electronic Key Telephone System 模式电子键电话系统
- digital cordless key telephone system 数字多功能无绳电话系统, 数字键控无绳电话系统
- You may leave your key at the reception desk. 你可以把钥匙留在服务台。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- He's locked in and nobody knows where the key is. 他被锁在房间里，没有人知道钥匙在什么地方。
- Reading is the key to the treasure house of ideas. 读书是打开知识宝库的钥匙。
- I looked everywhere for my lost key. 我到处寻找我丢失的钥匙。
- She inserted the key into the lock. 她把钥匙插入锁中。
- The key turned halfway and then jammed. 钥匙转了一半就卡住了。
- The key to the whole affair was his jealousy. 整个事情的症结是因为他忌妒。
- Do you know the key to the problem? 你知道这道题的答案吗？
- Your scatty son has forgotten his key again. 你那儿子丢三落四又把钥匙给忘了。
- I dropped my key somewhere about here. 我把钥匙掉在这附近某个地方了。
- concentrated telephone unit 电话集中器
