亲朋棋牌

锯床技术

[浙江宝石带锯电器手册]中国机械工业基础部件有几个缺点

日期:2019-07-06 19:29:53
由于中国对基础机械零件在机械工业中的重要地位的迟来的理解,长期以来缺乏投资导致基础薄弱,基础薄弱,实力不强。特别是随着中国大型机水平的提高,大型机背后基本机械部件的瓶颈现象日益明显。近年来,虽然国家在技术引进,技术改造,科研开发等方面提供了一些支持,但与目前市场需求和国外水平相比,仍存在较大差距,它体现在:产品品种少,水平低,质量不稳定,早期故障率高,可靠性差。

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 当前,我国机械基础件行业存在以下主要问题:

  首先,重复建设严重,专业化程度低,规模不规模,经济效益低

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 综合分析,造成上述问题的主要原因在于:

  1.企业基础薄弱

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2.GUOJIAQUESHAODUIJICHUSHESHIXINGYEYIGEQIANGYOULIDEZHENGZHIZHICHIJIXIE

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