This structure forms the passivation layer against corrosion and wear. The optimum layer against wear improves the resistance of material surface in corrosion, wear and fatigue extremely.
这种结构形成了抗磨损的优化表面层和抗腐蚀的钝化层，明显改善了材料表面抗磨损、抗疲劳和抗腐蚀特性。
This will stimulate the scalp nerve endings and the head acupuncture point, facilitating blood circulation, eliminating fatigue and promote hair growth , it is extremely practical for mental workers.
这样可刺激头皮神经末梢和头部穴位，促进局部血液循环，达到消除疲劳、促进头发生长的效果，对脑力劳动者非常实用。
Indeed, the levels of overall coloration and listening fatigue for this system during all musical and vocal tests remained extremely low, and testament to the excellent transducer design parameters.
的确，在所有的音乐和歌唱的测试期间对于这个系统的整体赋色和听觉疲劳水平保持非常的低，还有对卓越的变频器设计参数的测试结果。
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