An aeroelastic wind tunnel test was carried out to study the rational wind resistant design method for high-voltage transmission tower-line coupling system.
为研究高压输电塔线体系的合理化抗风设计，进行了气动弹性模型风洞试验。
The system can be widely used in road and tunnel lighting, building lighting, and other fields as well as a variety of energy-saving control dimming voltage based intelligent control areas.
本系统可广泛应用于道路与隧道照明、楼宇照明等节能控制领域以及以各种调光调压为基础的智能控制领域。
For the tunnel diode parallel amplifier, quiescent operation point, circuit specification and offset voltage are studied.
介绍了隧道二极管的特性，研究了隧道二极管并联放大器的静态特性，主要性能指标和偏置要求。
Global brand of tunnel boring machines used in the construction of metro, railway, road, sewer, water main, penstock, mine access, high voltage cable and telecommunications tunnels.
隧道开挖机的全球知名品牌，适用于地铁、铁路、道路、下水道、水管、水渠、矿场、高压电缆和电信隧道的修筑。
Global brand of tunnel boring machines used in the construction of metro, railway, road, sewer, water main, penstock, mine access, high voltage cable and telecommunications tunnels.
隧道开挖机的全球知名品牌，适用于地铁、铁路、道路、下水道、水管、水渠、矿场、高压电缆和电信隧道的修筑。
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