Mining backfilling is restrained by relatively high filling cost.充填采矿由于充填成本较高而制约着其发展.High - water rapid - hardening backfilling with whole tailings is a new developed backfilling technology.全尾砂高水速凝充填技术是一项新近发展起来的充填技术.Its ...
他很讨人厌，但很有感召力，令人捉摸不透。He's unsympathetic, but charismatic and complex.甘地是富有感召力的人物。Gandhi was an inspirational figure.他的深沉博大的政治感召力就在这里.The quite magnificence of his political pathos lay in this....