freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

注塑模具外文翻譯資料--我國模具工業(yè)現(xiàn)狀及發(fā)展趨勢-模具設(shè)計(已改無錯字)

2023-03-03 03:52:16 本頁面
  

【正文】 y advanced mold processing equipment, but are too scattered, or not plete, only about 25% utilization, equipment, some of the advanced functions are not given full play. Lack of technology of highquality mold design, manufacturing technology and skilled workers, especially the lack of knowledge and breadth, knowledge structure, high levels of pound talents. China39。s mold industry and technical personnel, only 8% of employees 12%, and the technical personnel and skilled workers and lower the overall skill level. Before 1980, practitioners of technical personnel and skilled workers, the aging of knowledge, knowledge structure can not meet the current needs。 and staff employed after 80 years, expertise, experience lack of handson ability, not ease, do not want to learn technology. In recent years, the brain drain caused by personnel not only decrease the quantity and quality levels, and personnel structure of the emergence of new faults, lean, make mold design, manufacturing difficult to raise the technical level. 我國模具工業(yè)現(xiàn)狀及發(fā)展趨勢 由于歷史原因形成的封閉式、 “大而全 ”的企業(yè)特征,我國大部分企業(yè)均設(shè)有模具車間,處于本廠的配套地位,自 70 年代末才有了模具工業(yè)化和生產(chǎn)專業(yè)化這個概念。生產(chǎn)效率不高,經(jīng)濟效益較差。模具行業(yè)的生產(chǎn)小而散亂,跨行業(yè)、投資密集,專業(yè)化、商品化和技術(shù)管理水平都比較低。 據(jù)不完全統(tǒng)計,全國現(xiàn)有模
點擊復(fù)制文檔內(nèi)容
公司管理相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖片鄂ICP備17016276號-1