The effects of laser transformation hardening ( LTH ) on the fretting wear of titanium alloy are investigated.
研究了 激光淬火 对钛合金微动磨损性能的影响.
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Objective To study the mental hea lth of drug addicts and its correlation with addictive behavior.
揭示毒品依赖者的心理健康状况及其与成瘾行为的关系.
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This paper investigates the effects of laser hardening ( LTH ) on the fretting wear of TC 11 alloy.
研究了 激光淬火 对钛合金TC11微动磨损性能的影响.
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September 1 lth of last year, flags went up everywhere; a sense of patriotism abounded.
去年9ll, 到处都升起了国旗, 许多人充满了爱国主义.
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