attendant exchange
attendant exchange
[电力英汉词典]
attendant exchangen.有人值守交换局
是什么意思,attendant exchange的解释,attendant exchange的翻译
[电信英汉词典] attendant exchange
attendant exchange
[电力英汉词典]
attendant exchange是什么意思,attendant exchange的解释,attendant exchange的翻译
[电信英汉词典] attendant exchange