subscriber trunk dialling
(organic chemistry) An analogue of a ketone R-C(R')=X where X is any atom other than oxygen
present participle of chud
Third-person singular simple present indicative form of matchmake
(telephony, British spelling) A system of automatic connection of trunk calls through dialling a phone number without operator assistance.
1950年代に交換手を介さず番号をダイヤルして幹線（長距離）通話を自動的に接続する方式が導入され、長距離通信は一変しました。
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DiQt
Free
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