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。

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Resistance to low and high temperature resistance, impact resistance, reliability and service life beyond the metal body of grease gun.

耐高低温，耐冲击，可靠性和寿命都超出金属体的黄油枪。

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It is a feasible method to simulate the firing process of the gun by use of muzzle strong impact.

通过炮口强冲击模拟火炮的射击过程是一种技术可行的火炮动力后坐模拟方法。

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Furthermore, University of Chicago professor (and co-author of the bestseller Freakonomics) Steve Levitt has noted that most proposed gun controls have minimal impact on gun crime.

FORBES: Why 3D-Printed Untraceable Guns Could Be Good For America

"It's too soon to say, " she said, commenting on how the sniper case might impact the seemingly perennial gun control political debate.

CNN: Attacks puts fresh focus on gun control

Harry Moroz over at Next American City and Richard Florida of The Atlantic, having both analyzed data provided by the Centers for Disease Control from 2006-2008, came to similar conclusions when looking at the impact of inner cities on gun deaths.

FORBES: The Best Gun Control Measure Is Always A Job