谁帮我翻下面的句子

问题描述:

谁帮我翻下面的句子
Derate for lower Methane Numbers are required to maintain a measure of tolerance against detonation or pre-ignition during engine operation的中文意思

在引擎运转时,要保证瓦斯处于低浓度状态,并留有足够冗余,以杜绝爆炸(事故的发生)