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C. STEMMING: Stemming materials provide confinement and prevent the escape of high pressure gases from blasting holes. This material must be free from rocks and properly tamped. Inadequate stemming results in stemming ejection from the holes resulting in flyrocks. In general, the stemming length should not be less than 25 times the blast hole diameter(Sheridan, 2002). Konya and Walter (1990) recommended length of stemming to be 0.7 times the burdenC.镗削：停止材料提供约束并防止高压气体从爆破孔中逸出。 这种材料必须没有岩石和适当夯实。 不足的梗阻导致从孔中排出的梗阻导致飞石。 一般来说，梗塞长度不应小于爆破孔直径的25倍（Sheridan，2002）。 Konya和Walter（1990）建议茎梗长度为负荷的0.7倍
嗨吃嗨胀
爆炸性的1.an explosive situation 爆炸性的局势收藏指正 2.any device by which an explosive charge is ignited. 爆炸性的装置被点燃的装置。收藏指正 3.Potentiallydangerous or explosive situation 具有潜在危险的或爆炸性的情势收藏指正 4.Therefore, many of the lyrics on my album are very exposing. 因此，在我的专辑里面的歌词都是很具爆炸性的。收藏指正 5.Unemployment became an explosive issue. 失业成了一个爆炸性的问题。收藏指正 6.Trimming retirement privileges is an explosive issue in France. 在法国剪掉退休金的福利是一个爆炸性的观点。收藏指正 7.That new jazz singer is real dynamite. 那个新爵士乐歌手真是个爆炸性的人物。收藏指正 8.Baby-sat the children; baby-sat the Soviet defector; baby-sit a breaking news story. 照看孩子；看守苏联逃兵；注意爆炸性的新闻报道收藏指正 9.The non-explosive 22-pound bomb fell into the foundation, cutting off electricity. 这个重大22英镑的无爆炸性的炸弹落在地上，并切断了电源。收藏指正 10.Two cars hit each other violently. The explosive sound frightened all the pupils. 两辆车猛烈相撞，那（像）爆炸性的声音惊吓到了所有的小学生。
