帮忙看看这个句子咋理解? 2# leteblink the first pumping cell exerts an oxygen pumping action against the first measurement chamber to adjust the oxygen concentration in the gas under measurement within the first measurement chamber to a given level. 第一抽气室使用一个紧挨第一测量室的抽氧泵 来调节该室在测量时气体中的氧含量 至要求值。查看更多