Industrial screens and screening 工业用筛和筛分 ; 工业用网筛和筛分
Liming Heavy Industry is an international exporting enterprise that produces professionally crushing and screening, sand-making and industrial milling equipment.
黎明路桥重工是专业生产破碎筛分，人工制砂以及工业制粉设备的国际型出口企业。
Then the paper make a screening and analysis on the existing measure indicators of a system of industrial security.
其后对现有的产业安全衡量指标体系做了一个分析筛选。
An industrial catalyst from laboratory to commercial production, usually goes through three consecutive stages, namely, laboratory screening, pilot plant test and full-scall plant test.
催化剂从实验室研制到进行工业生产，一般要经过实验室初步筛选、中间试验、工业装置试验三个阶段。
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