xploratory experiments have been carried out in which pines are cooked with the acid sulfite process to produce the pulp for tracing paper.
本文就松木用酸性亚硫酸盐法蒸煮,生产描图纸浆进行了探讨性试验。
Copyright © 2022-2025 字海网 zi.yyxxoo.com All Rights Reserved 赣ICP备16001187号
字海网是专业的汉语在线工具集,提供权威的汉语字典、词典、成语、古诗词及英语词典查询服务,致力于传承和弘扬中华语言文化。合作与反馈请联系QQ:2830130449。
本站内容来源网络,如涉及版权或表述问题,请及时联系QQ:2830130449。