This is not the crux of the issue, the protection system in the pump only after the failure of a remedy, is a relatively passive approach.

但这并不是问题的关键，保护系统只不过是在泵发生故障后的一种补救办法，是一种比较被动的办法。

youdao

But that is not the crux of the issue, the protection system at pump only after the failure of a remedy, is a relatively passive approach.

但这并不是问题的关键，保护系统只不过是在泵发生故障后的一种补救办法，是一种比较被动的办法。

youdao