Massage instrument that introduces the principle of the heat treatment to lessen stress, relieve fatigue, ease tension and relax muscles.
本按摩器械是采用热疗原理起到减轻压力，减轻疲劳，缓解紧张，放松肌肉的作用。
On the other hand, the improper heat treatment operation can not completely relieve the casting stress and remnant stress, and further enhances generation and expansion of cracks.
另一方面，热处理工艺不当使得铸造应力及机加工的残余应力无法彻底消除，这样加剧了裂纹的产生和扩展。
Oh! I agree. we both work hard and a little beauty treatment can relieve stress.
我同意啊！我们俩工作十分努力，偶尔做一做美容也可以有助于缓解压力啊！
Oh! I agree. we both work hard and a little beauty treatment can relieve stress.
我同意啊！我们俩工作十分努力，偶尔做一做美容也可以有助于缓解压力啊！
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