单词：potable water system
potable water system的用法和样例：
例句
- Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。
单词：potable water system 相关文章
to hold water water off a duck's back it makes my mouth water 这一课里我们再要讲两个和水，也就是和 water 这个字有关的词汇。第一个是 to hold water。 To hold water 按字面
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英文歌曲第一辑
in hot water to throw cold water on something 英语里有好些习惯用语都和
美国习惯用语
本单元是关于热水的对话 Boss: Look Tim, it looks like we're in a bit of hot water here. Tim: We? You mean you're in hot water. I haven't done anything. This is your problem: you've made your bed, and now you have to lie in it. Boss: Now that's not qu
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单词解析速记
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VOA2003（上）-社会广角
in hot water to throw cold water on something 英语里有好些习惯用语都和“水”，就是water这个字有关系。有的用：hot water；还有的用：cold water or deep water。在英语里
英文名句短语
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VOA2003（上）-社会广角
Reading water meters in an unfamiliar part of town, I came upon a house with no number. Then I noticed an elderly man gardening at the first house on that block.
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趣味英语
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英语新闻
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好听的英文歌曲
Reading water meters in an unfamiliar part of town, I came upon a house with no number. Then I noticed an elderly man gardening at the first house on that block. Excuse me, I said to him. Are you Number One?He smiled and replied, My wife thinks so!No
趣味英语
Water对人的身体来说是非常重要的。在英语里，有一些和water有关的短语非常奇怪但又很形象。下面，就让我们就看看其中三个和water 有关的表达吧。 1. To hold water 站得住脚，说得通 按字面解释
英语口语