求翻译：1、用已知碳硫含量的定量（一般为1克）钢铁标样放入燃烧炉，按上述 “分析操作”步骤操作，待吸收灯刚灭时，分别调整C、S校准旋钮，使表头读数与标样C、S含量值相同。是什么意思？

1, with known carbon-sulfur content of quantitative (usually 1 g) steel standard sample into a burning furnace, according to the above "analysis operation" steps, absorption of light when just fight, adjusting calibration knob c, s, respectively, and standard sample header reading contents of c, s-values are the same.