Comprehensive upgrade school grade, with love to do education and use aesthetic newcomers.
全面提升办学品位，用爱做教育，用美育新人。
You should grade vendors higher who provide upgrade paths in which your existing chassis, power supplies, terminations, field wiring and cabinetry remain in place.
你应把你现有机架、电源、接线端子、现场布线和机柜仍保留在原位提供升级路径的供应商的积分评估的更高。
But the independent innovative capability of domestic high-grade CNC machine tool is not strong. It is urgent to adjust the product structure and upgrade the industrial level.
但国产高档数控机床自主原创能力不强，迫切需要产品结构的调整和产业水平的提升。
This model can upgrade, the middle-grade helper HL360 with rail-style slideway is optional according to customer's demand, the roller on this helper is fixed, this helper make the operation easy.
可升级机型，可根据用户需要选配HL360型导轨式滑道、固定角度压胎滚的中档机械手来轻松拆装轮胎。
The further study is finding new approaches aimed to improve coke thermal properties of existing metallurgical cokes and upgrade low-grade by enhancing its resistance to oxidation with CC>2.
继而提出采用负催化剂和化学沉积气相技术抑制溶损反应，降低焦炭反应性，提高反应后强度的有效新途径。
The further study is finding new approaches aimed to improve coke thermal properties of existing metallurgical cokes and upgrade low-grade by enhancing its resistance to oxidation with CC>2.
继而提出采用负催化剂和化学沉积气相技术抑制溶损反应，降低焦炭反应性，提高反应后强度的有效新途径。
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