fine delay dial 延时微调刻度
Delay Dial Signaling 延迟拨号信令
Dial Tone Delay 拨号音迟延 ; [通信] 拨号音时延
Post-dial Delay 拨号后延迟
delay time dial [通信] 延时拨盘
dial Delay 拨号后延迟
Post Dial Delay 这也叫做拨号后延迟
·2,447,543篇论文数据，部分数据来源于NoteExpress
Supt Dave Forrest urged people to delay making non-emergency calls where possible and only dial 999 in a real emergency.
BBC: Icy conditions follow snowfall in Staffordshire
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