gas transmission trunk line 输气干线
russian eastern oil transmission trunk 俄东部输油干线
trunk transmission 干线传输
trunk transmission system 干线传输系统
trunk transmission bandwidth 中继传输带宽
The method of design and calculation on in-line welding branch pipeline for gas transmission trunk line is introduced.
介绍了干线输气管道热连接分支管道的设计计算方法。
It is very important to describe the performance curves of centrifugal compressor by mathematical model accurately for the automatization design and management of gas transmission trunk line.
对于输气干线的自动化设计和管理来说，用准确的数学模型描述离心压缩机的特性曲线至关重要。
Trunk Tester is equipment that is used to test trunk transmission equipment of the communications system.
干线综合测试仪是对通信系统中的干线传输设备进行检测的仪器。
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