介绍了管形开关的伞齿介轮机构的结构、原理和效果。
The structure, principle and effect of the umbrella gear of pipe-type tap-changers are introduced.
卷云是“一种低矮的长管形云彩,”它时而平滑,时而臃肿。
A roll cloud is "a long, low tube of a cloud," sometimes smooth, sometimes bumpy.
提出带孔盖板的自由液浸式环氧灌注的圆柱管形换能器声学结构模型。
This paper presents an acoustic structure model of free—flooded cylindrical transducer installed with holed end-caps.
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