Gravel multi-function impact test enginery main standard components are: shot gun components, collision chamber and specimens grippers.
砂砾多功能冲击试验机主要的标准组件有：射枪组件、碰撞室和试件夹持器。
In order to intensify the collision among the inhalable particles, a gas-solid jet flow was introduced into the agglomeration chamber to generate a local turbulent flow field.
团聚室中引入气固射流，使团聚室内形成局部湍流，强化颗粒间的碰撞。
Analyse choice method of collision point of cylinder and shovel head and confirm initial pressure and volume of nitrogen chamber.
分析了活塞杆与铲头碰撞点的选择方法和氮气室的初始压力和初始容积的确定方法。
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