rock emulsification blasting explosive volume 岩石乳化炸药药卷
fractue control blasting blasting 断裂控制爆破
blasting coal caving face by blasting 炮采放顶煤
pour-type explosive=powder-type explosive 粉状炸药
a flight of steps blasting 台阶爆破
abrasive blasting 喷砂冲洗; 磨料喷射; 喷砂处理; 喷砂清理; 喷砂法
abrasives for blasting 砂洗磨料
accumulative blasting 聚能爆破
ADOBE BLASTING 粘贴爆破; 裸露装药爆破
adverse effects of blasting control maximum charge 控制; 最大一段药量; 爆破有害效应
Air blasting 通风砖; 鼓风
air blasting enhanced vibratory utrafiltration 气冲强化动态超滤
Air blasting gun for arch collapse 破拱空气炮
air blasting intensity 气冲强度
air blasting with oxygen enrichment 德国工业标准; 富氧鼓风
air-blasting 鼓风设备
air-blasting equipment 鼓风设备
air-cushion blasting 空腔爆破
airless blasting cleaning 离心喷光