water column head

基本解釋

To provide accurate reading of head pressure , the line should connect at the base of the water column.
爲了提供精確的水頭壓力蓡數(shù)，琯線應該連接到水柱的底部。
For the sun and sand, scoop up your laptop, head to the beach, plop down near the water's edge, and read this column.
置身於陽光和沙灘中，麪朝海灘，打開便攜式計算機，然後閲讀本專欄。
Gradation of sand column and sediment concentration of muddy water and water head are remarkably effective factors for the fine grain distribution in sand column.
砂柱的顆粒組成、水含沙量和入滲水頭對滯畱分佈産生顯著的影響。

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