连续式逆流清洗 continuous countercurrent rinsing
逆流清洗
Countercurrent cleaning
以上为机器翻译结果，长、整句建议使用 人工翻译 。
主要介绍一种易清洗操作的折流式连续逆流提取机和长槽法兰紧固件。
One continuous counter flow extraction machine with fold flow and long slot flange tightening component were introduced in this article.
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