铳筒机火车配置的火箭被称为神机箭，说白了就是一支点着火的普通箭。
The hwacha 's ammunition was called a singijeon , which was basically an exploding arrow .
神机箭的导火索可依据敌人的范围调整，以便在触到敌人的一瞬爆炸。
The singijeon 's fuses were adjusted based on the range of the enemy so that they would explode on impact .
神机箭