directional blasting
短语词组
- directional collapse blasting 定向坍塌
- directional fracturing blasting 定向断裂爆破
- borehole directional fracture blasting 岩石定向断裂爆破
- directional controlled blasting 定向控制爆破
- directional pinpoint blasting 定向抛掷爆破
- directional throw blasting 定向爆破;定向抛掷爆破
- directional breaking blasting 定向断裂爆破
- directional demolition blasting 定向爆破拆除
- directional breaking blasting technology 定向断裂爆破技术 返回 directional blasting