A depression usually brings bad weather.
低气压通常带来坏天气。
A depression usually brings bad weather.
低气压通常带来坏天气。
The procedure and characteristic of the arc discharge,feature of ignitron,firing way,structure features and its application are described in the paper.
汞弧光
一种低气压气体现象,流密度
。
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成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
