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18禁无遮挡羞羞污污污污免费:让你在社交平台上脱颖而出的秘诀
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18禁无遮挡羞羞污污污污免费:让你在社交平台上脱颖而出的秘诀

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  好评中国·大国工匠|我们眼中的新质生产力(六)

  形成新质生产力不可能一蹴而就

  中工网特邀评论员孙红梅:中国人民解放军第五七一三工厂高级工程师,中国空军航空修理系统焊接专业首席技术专家,2019年大国工匠年度人物,专攻发动机焊接技术20余年,攻克百余项修理难题,形成12项核心修理技术,获得有关发明专利授权10余项,创造了近两亿元的经济效益。

  这是战斗机的“心脏”——航空发动机。它的每一次跳动,都关乎战机的生死存亡。为这样一颗“心脏”做手术,难度有多大?

  大家好,我是中工网评论员孙红梅。我的工作跟外科医生类似,只不过我是为航空发动机“缝合”伤口,让更多“战鹰”重返蓝天。

  很多人问我,修复一台航空发动机到底有多难?我想说,这不仅仅是对技术的考验,更是一场与时间和耐心的较量。焊接工作本身就是相对枯燥的,经常要面对高温环境、面对弧光辐射,以及各种各样的精密零件和层出不穷的技术难题。

  几年前,有一批军用飞机发动机燃烧室的机匣损坏了,国内当时还没有成功修复这种机匣的案例,如果无法修复,就意味着这30多架战机将无法飞行。虽然有一些心理准备,但实际情况远比我想象的要复杂,机匣内部构造就像“俄罗斯套娃”一样,一层又一层,故障点多发生在腔内视线盲区,查找起来很困难。那段时间,除了睡觉我基本都在反复试验,有时一天下来,耳朵嗡嗡响,眼睛也因为电弧光的长时间照射而刺痛、控制不住地流眼泪……在经历了无数次探索、尝试、失败、再尝试之后,我们开创了“镜面反光仰焊法”,利用镜面反射原理,解决狭小空间内的焊接难题。同时,我们反复调整镜面角度,优化焊接参数,最终将机匣修复的变形误差控制在0.003毫米,与原装产品基本无差别。

  万里长空之上,中国战机如“雄鹰”展翅,翱翔天际,展现着中国航空工业的辉煌成就,也捍卫着国家的领空安全与尊严。这一切并非偶然,而是无数个日夜的坚守与付出,是航空人对技术的精益求精、对质量的极致追求、对创新的不断探索……火花一明一灭之间,映照出发展新质生产力的强大精神内核。

  我常常对团队里的年轻人说,不要急于求成、盲目求“新”。每一个重大创新突破,都是厚积薄发的结果,就像新质生产力从孵化、培育到发展壮大从来不是一蹴而就一样,它是一个需要长期专注与投入的系统性工程。发展新质生产力,需要我们一步一个脚印地向前推进。只有结合自身实际,对“发展什么”“怎样发展”等问题进行科学研判,找准方向,先立后破、因地制宜,才能在发展新质生产力的赛道上贡献作为、赢得成功。

  新时代新征程,发展新质生产力,既要有只争朝夕的速度,又要有持之以恒的定力。我们将继续坚守在航空维修一线,秉持工匠精神、永攀技术高峰。我也期待,更多的年轻人能够积极投身科技创新事业,为实现科技强国梦贡献青春力量。

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