- 重点词汇
- 相关例句
The formula of the critical pressure ratio for safety valve is proposed.
提出了一种由喷管临界压力比确定安全阀临界压力比的计算公式.
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The object of providing the safety valve is to allow excess pressure to escape.
装备安全阀是为了让过高的压力外逸.
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领导者们和从直接各地而来的高级官员将在粮食和农业组织 总部 会面.
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