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manual switching
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manual switching
Encyclopedia
工学
交换技术
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manual switching
人工交换
在电话通信的过程中,人工接收呼叫,人工控制接线、拆线等有关动作的交换方式。
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Edward Norton Lorenz
Edward Osborne Wilson
Edward Otto Laumann
Edward P.Alexander
Edward Reilly Stettinius, Jr.
Edward Richard George Heath
Edward Roscoe Murrow
Edward R.Tufte
Edward Ruscha
Edward Sapir
Edward Schaumberg Quade
Edward Scissorhands
Edwards Edward
Edward Sheriff Curtis
Edwardsiella infection
Edwardsiellasis in freshwater fish
Edwardsiellosis in flatfish
Edwards Personal Preference Schedule
Edwards Plateau
Edward's rat
Edward Sumo Jones
Edward Taylor
Edward Teller
Edward Tufte
Edward VII
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