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The device is buried a sealed enclosure in which is housed an apparatus which must be subjected to atmospheric pressure in order to operate
The device is buried a sealed enclosure in which is housed an apparatus which must be subjected to atmospheric pressure in order to operate
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机译:该设备被埋在密封的外壳中,在该外壳中装有必须经受大气压才能运行的设备
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摘要
The housing for a gas pipeline regulator which requires atmospheric pressure to function has a cap (8) covering the top (2) of the buried casing (1). The cap defines a gap with the housing for opening to ambient pressure. The space under the cap is approximately one tenth of that of the housing.
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