The Dall flow tube is an empirical design with an extremely high pressure head recovery.

Dall流量管是具有特别高的压头补偿的实验装置.

辞典例句

Therefore, this system uses the empirical design law primarily design method, has obtained the good effect.

因此, 本系统采用经验设计法为主的设计方法, 取得了良好的效果.

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