英语词汇“perched permanent ground water”的读音、翻译、释义、用法及例句-开邑网

词汇	perched permanent ground water
释义	perched permanent ground waterperched permanent ground water1.■常静滞地下水
随便看	gradient gel electrophoresis gradient grid gradient gun gradient hydrophone gradient improvement gradient index gradient index fiber gradient-index fiber gradient-index profile gradient indicator gradient layer gradientless reactor gradient level gradient-like diffeomorphism gradient line gradient mapping gradient mask gradient matched filter gradient material gradient matrix gradient meter gradient method gradient methods gradient metre gradient mixing device

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