1、The explosive limit is one of main index to judge explosion fatalness of fuel gases.
* 極限是評(píng)定可燃?xì)怏w火災(zāi) * 危險(xiǎn)的主要指標(biāo)之一。

2、GNP is one of main index of national economy.
GNP是國(guó)民經(jīng)濟(jì)的重要指標(biāo)之一。

3、The main index which indicates the distribution of the remnant oil is oil saturation.
決定剩余油分布的主要指標(biāo)是含油飽和度。

main index翻譯