channel switching equipment信道: channel; route; chain交换机: exchange board; switchboard信道交换: cs channel switching公共信道转接交换机: common channel transit exchange信道交织: channel interleaving下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:信道交换机，即可在微信中查询翻译
