公共电视网 PBS ; Public Broadcasting Service
国家公共电台 NPR ; National Public Radio
美国国家公共电台 NPR ; National Public Radio
纽约公共电台 WNYC
美国公共电视台 PBS
公共电话网 PSTN ; public switched telephone network
共电制 central battery system ; common battery ; [通信] common battery system
美国公共电视网 PBS ; Public Broadcasting Service
全国公共电台 NPR
本文介绍了集程控和共电式扩音功能于一身的HCBK系列程控防爆扩音对讲电话机的工作原理。
In this paper, the principle of HCBK flame -proof telephone with program control and common-battery telephone public-address is introduced.
英国煤电、核电共占发电总量不到45%(见表2)。
Britain's coal and nuclear plants together account for just under 45% of all power generation (see chart 2).
高压共轨系统是一个机、电、液相结合的系统，直接影响柴油机和车辆的性能。
High pressure common rail fuel system is a mechanical, electric, hydraulic pressure system, which directly effect the performance of diesel engine and automobile.
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