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单词
step aeration
释义
step aeration
step aeration
[
′step e‚rā·shən
]
(civil engineering)
An activated sludge process in which the settled sewage is introduced into the aeration tank at more than one point.
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ejnar hertzsprung
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ejo
ejoba
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ejod
ejof
ejogr
e-joint
ejoint
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ejor
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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/3 14:03:26