composite shield 中文意思是什麼
composite shield
解釋
合成屏蔽-
In contrast, mafic volcanoes, which range from small cinder cones to large shield volcanoes like north sister and belknap crater, are typically short - lived ( weeks to centuries ) and erupt less explosively than do composite volcanoes
相反，鐵鎂質的火山，從小的煤渣圓堆到大的盾形火山，像北峰和貝爾克奈普坑，形成期還很短，比復合體的火山更少爆發。 -
Based upon the practical situation against harm bird fault in thepower network of xiangfan power supply bureau, this paper introduced the characteristic of the bird harm fault, and analyzed its trip reasons and presented its integrated prevention method such as the installation of the sound arouser, composite sheds, repelling board, shield, sting, net, etc
結合襄樊供電局所轄線路防止鳥害的實際，介紹了鳥害的特點，分析了鳥害跳閘的原因，提出了安裝驚鳥器、復合傘裙、防鳥擋板、防鳥罩、防鳥剌和防鳥網的綜合防止鳥害措施。
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