... protecting bag 保护袋 protecting band 防护袋 protecting board 护板 ...
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... protecting bag 保护袋 protecting band 垫带; 防护袋; 护带 protecting barrage 拦阻射击 ...
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protecting g band 防护袋
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This paper presents a filter protecting the radio astronomicalfrequency band, which is a novel coaxial band-rejection filter in structure.
本文介绍了射电天文波段保护滤波器，它是一种结构新颖的同轴带阻滤波器。
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