According to a blasting project, this paper discusses the design and implementation of spring microsecond delay blasting in open mines in complicated circumstance.
本文结合工程实例，介绍了复杂环境条件下露天开采药壶微差爆破技术的设计与施工。
To determine rational microsecond delay time is both the requirement of ensuring blasting quality and the key to achieve blasting vibration reduction.
确定合理的微差间隔时间，既是保证爆破质量的需要，又是达到爆破降震的关键。
To determine rational microsecond delay time is both the requirement of ensuring blasting quality and the key to achieve blasting vibration reduction.
确定合理的微差间隔时间，既是保证爆破质量的需要，又是达到爆破降震的关键。
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