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关注：1
2013-05-23 12:21
求翻译：机组的供水口与管道联接时应设置截止阀，当两组或两组以上机组并联使用时，每台机组的出水管还必须安装止回阀是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
机组的供水口与管道联接时应设置截止阀，当两组或两组以上机组并联使用时，每台机组的出水管还必须安装止回阀
问题补充： |
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2013-05-23 12:21:38
Of the water supply unit connected with the pipe valve should be set, when two groups of two or more units used in parallel, each unit must also install the check valve outlet pipe
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2013-05-23 12:23:18
crew of the water and the port should be set up when connecting pipe valve, when two or more than two groups, each crew and the use of the machine must also install Dia.valve
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2013-05-23 12:24:58
The unit joins for the drainage opening and the pipeline when should establish the cut-off valve, when two group of or two group of above unit parallel uses, each unit's outlet pipe also must install the check valve
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2013-05-23 12:26:38
Unit of water supply and pipeline stop valve should be set when you join, when two or more than two sets of parallel use of unit, each unit of the outlet pipe must also install the check valve
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2013-05-23 12:28:18
Unit of water supply and pipeline stop valve should be set when you join, when two or more than two sets of parallel use of unit, each unit of the outlet pipe must also install the check valve
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