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universal service ordering code

informat.

通用服务有序码

universal service order code

téléc.

原 Bell System 的通用业务程序代码

électr.

通用服务指令码

Anglais glossaire

Universal Service Ordering Code

abrév., extens.

USOC

Universal Service Order Code

abrév., astr., milit.

USOC (e.g., for telephone jacks: RJ - Registered Jack; C - flush or surface mount jack; W - Wall mount Jack; X - complex multi-line or series type jack)

abrév., informat.

USOC