“directional pinpoint blasting”的概念、定义、翻译、参考文献-科学参考

单词	directional pinpoint blasting
释义	directional pinpoint blasting Encyclopedia 工学露天爆破释 directional pinpoint blasting定向抛掷爆破通过一定技术措施使爆破岩块按设计方向抛掷到要求位置，并堆积在设定范围内的爆破技术。
随便看	right parenthesis right perfect ring right periodic group right PID right PIR right polygon right primary element right primitive ideal right primitive ring right principal fibration right prism right process right product right projective space right pseudo-automorphism right pseudocompact ring right pyramid right quasi-field right quasigroup right quasi-inverse right quasi-invertible element right quasi regular element right quasi-regular element right quasi-regularity right quasi-simple ring

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