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关注：1
2013-05-23 12:21
求翻译：A valve box of the prior art includes a body made up of the tubular base and a tubular collar capable of sliding vertically through an opening of the tubular base, said collar being provided with an outer upper flange in which a plug can be removably locked.是什么意思？ 待解决
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- 离问题结束还有
A valve box of the prior art includes a body made up of the tubular base and a tubular collar capable of sliding vertically through an opening of the tubular base, said collar being provided with an outer upper flange in which a plug can be removably locked.
问题补充： |
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