mine total head [矿业] 矿井通风总压头
total head gradient 总水头比降
total head tube [流] 总压头管
total-head orifice 总压头喷嘴
total head line 总水头线
fan total head [机] 风机总压头
total head value 全压头值
She happened to bring up who was behind the total head-shaving idea.
她碰巧告诉我是谁给她出的这个剃光头的主意。
This, of course, begs the questions: what is Total Head and what are Head Losses?
这当然,回避的问题:什么是总团长和水头损失是什么?
The head loss of flume is less, and the average loss is nearly 12% of the total head in upstream.
机翼形量水槽的水头损失较小,平均水头损失约占上游总水头的12%左右。
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