differential of a arc [数] 微弧
A arc raying 电弧喷涂
be a man arc 比曼视距弧 ; 贝门弧 ; 毕门视距弧
ARC A 圆弧 ; 画弧 ; 绘制圆弧
arc subtended by a chord [数] 对弦弧
A C inert-arc welder 交流定弧熔接器
be a man stadia arc 毕门视距弧 ; 贝门视距弧
arc length of a curve 曲线的弧长
A arc parameter-measuring system was developed to analyze the process of short-circuiting arc welding and the effect of arc energy on the welding stability.
为了分析短路过渡电弧的焊接过程和探讨电弧能量对焊接稳定性的影响,设计了短路过渡电弧电参数检测系统。
The helicopter made a slow arc, passing over the mound but not stopping.
这架直升飞机做了一个缓慢的弧线运行,飞过那座小丘,但没停下来。
In his version, a group of actors are rehearsing a play about Joan of Arc.
按他说,一群演员正在排练一出关于圣女贞德的戏。
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