Lead in solders for servers, storage and storage array systems, network infrastructure equipment for switching, signalling, transmission as well as network management for telecommunication.
用于服务器，存储器和存储系统中的铅，用于交换，信号和传输，以及电信网络管理的网络基础设施设备中焊料中的铅。
Lead in solders for servers storage and storage array systems network infrastructure equipment for switching signalling transmission as well as network management for telecommunication.
用于伺服器，记忆体和存储系统中的铅，用于交换，信号和传输，以及电信网路治理的网路基础设施设备中焊料中的铅。
The No. 7 signalling system is mostly used between networks and inner network in all sorts of modern telecommunication network. It plays an important role in the quality and level of service.
现代各种通信网络的网内和网间信令系统大多是七号信令系统，其对于通信网的服务质量和服务水平起着非常重要的作用。
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