... 扬弃爆破 abandoned blasting； abandonment blasting 抛掷爆破 pin-point blasting 松动爆破 blasting for loosening rock ...
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pin point blasting 抛掷爆破
lateral pin-point blasting 侧向爆破抛掷
oriented pin-point blasting 定向抛掷爆破
short distance pin-point blasting 近抛掷爆破
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