1. Aiming at hammer head of active hammer crusher, the paper analyses conditions that causing deflection of hammer based on motion and stress of hammer, and concludesmathematical expression. 针对活动锤式破碎机的锤头，着重从锤头运动与受力的角度，分析引起锤头偏转的条件，并导出数学表达式。
2. In general, the bases of power include the following items: expert power, referent power, legitimate power, coercive power, reward power, information power, and connection power. 一般而言，「权力的基础」，计有「专家权」、「参考权」、「强制权」、「合法权」、「奖赏权」、「资讯权」、及「派系权」等。
3. In general, the bases of power include the following items: expert power , referent power, legitimate power, coercive power , reward power, information power, and connection power . 一般而言，「权力的基础」，计有「专家权」、「参考权」、「强制权」、「合法权」、「奖赏权」、「资讯权」、及「派系权」等。
4. In addition the company also produces various models of thermostats machine, air hammer forging and related accessories air hammer, air hammer, if Buy, please contact us. 此外公司还生产各种型号恒温机、锻造空气锤和相关的空气锤配件，如有求购空气锤，敬请与我们联系。
5. Because the gravel hammer rings quality than coal quality of broken hammer rings, so which can improve the impact hammer rings, crushing ores. 因为碎石环锤质量大于碎煤环锤的质量，所以从而可以提高环锤的冲击力，达到破碎矿石的目的。
