在导线表面采取缠绕扰流线措施或直接使用低噪声导线，能够降低导线风噪声和电晕噪声水平。
The measures to disturbing the current by means of winding on the conductor surface or application of low-noise conductor can reduce the level of wind noise and corona noise.
针对交流双滚筒单绳缠绕式提升机在多水平运行时，中间水平没有电气制动的问题，提出改造方案。
Directing to the problem of ac double-drum single rope winding lifter working in multiple level without electric brake in middle level, put forward the reform plan.
介绍了8根碳纤维布(CFS)约束的混凝土柱和1根混凝土柱在竖向力和往复水平力作用下的试验。研究缠绕cfs的混凝土柱的屈服后变形能力。
Experiment of 8 carbon fiber sheet (CFS) confined concrete columns and 1 reinforced concrete column subjected to constant vertical load and cyclic lateral load is introduced.
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