... positive appliances ==> 填筑机械 positive arc ==> 正弧 positive area ==> 相对上升区,正相单元,正相区 ...
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Positive arc finger echo 正弧型指状回波
I mean, arc length could be positive or negative.
我意思是弧长可正可负。
The surface tension, arc blow force and electromagnetic force work positive to improve the penetration, and the buoyancy can increase the width in the middle of weld pool.
表面张力、电弧吹力和电磁搅拌力均有利于获得较大的熔深，浮力有利于增加焊缝中间部位的宽度。
The effects of positive and negative voltage on phase constitution of ceramic coating on aluminum alloy prepared by micro-arc oxidation were studied by XRD analysis.
通过XRD分析，研究了正向、负向电压对铝合金微弧氧化陶瓷层相组成的影响。
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