装备停当以后，工程师教他的伙伴们退到相当远的地方去，他在坑里灌满了硝化甘油，一直灌到跟坑口齐。

This apparatus being then arranged, the engineer, after having sent his companions to a distance, filled the hole, so that the nitro-glycerine was on a level with the opening;

youdao

装备停当以后，工程师教他的伙伴们退到相当远的地方去，他在坑里灌满了硝化甘油，一直灌到跟坑口齐。

This apparatus being then arranged, the engineer, after having sent his companions to a distance, filled the hole, so that the nitro-glycerine was on a level with the opening;

youdao