service circuit

Standard on Open-CircuIt'self-Contained Breathing Apparatus for the Fire Service.

开路 自控 消防用呼吸器材标准.

By means of analyzing the fast feed circuit of the hydraulic system of KY-120 underground rotary drill, the main factors which affect the service life of feed cylinder are revealed and some suggestions are put forward for the improvement of the fast feed circuit.

从分析KY-120型地下牙轮钻机液压系统的快速推进回路入手，指出了影响推进油缸使用寿命的主要原因，并提出了改进意见。

Technology of Circuit Emulation Service can be used to transport circuit-switched traffic over connectionless packet-switched network.

在无连接的分组交换网络中,仿真电路交换业务可以采用电路仿真技术.

Hotel service functions, equipped with international direct dial telephone, circuit television, business center, exchange, laundry room.

宾馆服务功能齐全, 内设国际直拔电话, 闭路电视, 商务中心 、 外汇兑换处 、 洗衣房.

Push the removing circuit-breaker to test position or service position.

将断路 手车 推至试验或工作位置.