To provide accurate reading of head pressure , the line should connect at the base of the water column.
为了提供精确的水头压力参数，管线应该连接到水柱的底部。
The earth pressure is calculated by using Rankin theory or Column theory.
通常采用朗金理论或库仑理论计算作用在挡土墙上的土压力。
The air pressure is determined by the height of mercury column.
利用水银柱的高度来量度气压。
Effect of packing material size is mainly on the column pressure and column efficiency.
填料粒径主要从柱效和压力两方面影响着制备色谱的应用。
The pressure exercised by the support column has no direct links to the corrosion failure.
垫板受支柱的压力对其腐蚀破坏没有直接联系。
It is obtained by distilling soft pitch in flash column under certain pressure and temperature.
中温沥青经过在一定的压力和温度下进行闪蒸获得。
It is obtained by distilling soft pitch in flash column under certain pressure and temperature.
中温沥青经过在一定的压力和温度下进行闪蒸获得。
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