“direct distance dialing (DDD)”的概念、定义、翻译、参考文献-科学参考

单词	direct distance dialing (DDD)
释义	direct distance dialing (DDD) 长途直接拨号电话长途自动拨号长途自动电话
随便看	tracer stylus tracer technique tracer test tracer unit tracer wheel tracery tracery parapet tracery window traces trace sediment trace sensitivity trace slip trace-slip fault trace standard certified of agricultural chemicals trace standard of agricultural chemical trace statement trace survey trace table trace the etiology by syndrome differentiation trace time trace toxic contaminatants trace vector trachea tracheaectasy trachea hook

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