draft tube protecting ring是什么意思、英文翻译及中文解释
draft tube protecting ring
词语: draft tube protecting ring
解释: 尾水管里衬
词性: 名词
词典: 电力专业英汉词典
draft tube protecting ring 相关解释
尾水管里衬 draft tube liner
尾水管里衬 draft tube liner;draft tube lining;draft tube protecting ring;throat liner