微库仑法的准确度和精密度均高于国际标准（ISO）的氢氧焰法。
Both the accuracy and precision of the microcoulometric method were higher than those of the hydrogen-oxygen flame method ( ISO standard ) .
论证了加热时氧——乙炔焰用微碳化焰的原因及焊缝结合区不能采用抛光的道理。
The reasons are given why weak carbonizing flame of oxyacetylece is used for heating and why brazing seam area can't be polished.
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