请输入您要查询的英文单词:
单词
Back Up Ventilation
释义
Back Up Ventilation
翻译
后备通风
以上为机器翻译结果,快速获取精准的人工翻译结果,建议选择
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网络释义
短语
1
back-up ventilation
备用通气
双语例句
1
The calculation models are set
up
on average speed and Max speed in
back
field and jet effect distance, new theoretical reference is provided for effective
ventilation
in heading fa.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型,为掘进工作面合理有效通风提供了新的理论依据。
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更新时间:2025/8/2 3:25:11