The present article describe the USES, market application status, main industrial process and technology main points in domestic and on abroad on p-dichlorobenzene.
介绍了国内外对二氯苯的用途、市场应用状况以及工业化的主要工艺和技术要点。
The application of laser welding technology in P/M materials and its developing status are systematically introduced.
系统地介绍了激光焊接技术在粉末冶金材料中的应用及其国内外动态。
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