基本解释滯水垻；蓄水垻英汉例句雙語例句There are no key-ways made in the upper longitudinal joints in Fengman Dam and no grouting before impounding.豐滿大垻縱縫上部未設鍵槽，蓄水前又未灌漿；impounding dam更多例句词组短语短語impounding g dam 滯水垻Dam impounding 蓄水垻Dam Safety Impounding Check 大垻安全蓄水騐收impounding dam更多词组专业释义土木建築工程滯水垻