短語詞組短語blastability coefficient 開炸系數(shù)Blastability classification 可爆性分級Blastability zoning 可爆性分區(qū)blastability index 可爆性指標blastability of rock 巖石可爆性rock mass blastability classification 巖躰可爆性分級rock blastability index 可爆性指數(shù) 返回 blastability