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本刊1983年№3发表的“锥形导水机构关闭时导叶的密合计算”一文, 公式(11)和(13)都是近似公式。本文是在此基础上进一步推导出了准确计算公式,方法简便。
The article published in 1983 № 3 “tapered guide mechanism closure guide vane close calculation,” a formula (11) and (13) are approximate formula. This article is based on this further deduced the exact formula, the method is simple.