It is introduced in the thesis researching and manufacturing an assembly of adjustable valve with multi-purposes for gas valve of water heater.
研制一种具有多功能性的燃气调节阀总成。
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。