This is a handy tool (see Listing 8) if you've got Internet friends who complain about how hot or cold their area is, and you want to quickly figure out what the problem is with their temperature.
如果您的网友抱怨他们那儿有多冷或者多热，您可能希望能够很快确定气温到底多高，那么这是一个很方便的工具(如清单8所示)。
But, no matter how simplistic this design is, you will still have to solder copper pipe joints if you want to tap into your existing hot water system.
但是，这个设计无论多么简单，你总得要焊接铜管，以便接入你现有的热水供应系统。
And judging by how hot this engine is, they haven't gotten far.
而且从引擎的热度看，他们走得不远。
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