污水一级处理
- 网络primary treatment; primary treatment of sewage; lower class treatment of wa
污水一级处理
污水一级处理
primary treatment
2-1 废水处理的分级 (1) 污水一级处理 (primary treatment) 去除废水中的漂浮物和部分悬浮状态的污染物质值、减轻废水的腐化 …
primary treatment of sewage
一级预防用英语怎么说... ... The 1st grade swimming judge. 一级游泳裁判员。 primary treatment of sewage 污水一级处理 ...
lower class treatment of wa
数据处理 data processing... ... ·污水一级处理 lower class treatment of wa ·污水二级处理 middle class treatment of w ...
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