1)characteristics of explosives,火药的特正2)powder burning characteristics,火药燃烧特征3)burning characteristics of propellant,火药燃烧特性4)Rottweil powder,罗特韦耳(火)药5)Mullerite powder,穆勒赖特火药6)particular justice,特殊的正义
用法和例句
Based on characteristics and effect parameter of the powder burning, researched were the powder burning characteristics of built-in,suspended and sleeve combined perforating systems.
