【摘要】 文中对用乌煤替代红木炭制造延期导火索进行了试验探索。结果表明,用乌煤制造的延期导火索点火可靠、秒量精度好,且气候的变化对秒量的影响不大、秒量易控制,具有实用价值。更多还原

【Abstract】 The groping experiment of delay fuse made of fusite replacing red charcoal is carried out. Results show that it is reliable in ignition and accurate in delay time. Especially, weather has less influence on delay time and delay time can be controlled easily. Therefore, the study is practically useful.更多还原