Chinese ⇄ English

有人证明使用这种破碎带模型、遇到各种岩石和爆破环境时、能可靠地估算过筛直径为1mm 碎岩的比例
expl.	The crushed zone model has been shown to provide a realistic estimate of the proportion of fragments passing 1 mm for a wide variety of materials and blasting situations