key service unit造句
造句与例句
手机版
- In the wire spring relay key service units of the Bell System 1A2, a model 216 automatic ringdown was used to operate the circuit.
- The keyset cables were typically routed to a wiring closet or wiring panel where the Key Service Unit ( KSU ) was installed and were terminated on a 66 type punch block, typically a model 66M1-50.
- A typical system consisted of a basic metal mounting frame, the Key Service Unit ( KSU ), also called a " panel ", with card-edge connectors and mounting brackets for components and punch-down blocks for interconnecting cabling.
- It's difficult to see key service unit in a sentence. 用key service unit造句挺难的
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