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Measuring liquid volume introduced into expandable cell - involves three-channel valve for normal or high sensitivity measurement
Measuring liquid volume introduced into expandable cell - involves three-channel valve for normal or high sensitivity measurement
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机译:测量引入可膨胀池中的液体量-包括用于正常或高灵敏度测量的三通道阀
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摘要
Variations of liquid volume introduced under pressure into an expandable cell are determined utilising three channel valves. The cell is used for measurement of mechanical characteristics of rocks or ground. A tube (1) forming a principal reservoir has an output (3) communicating with output (4) of a sight tube (2) depending on position of valve (5). The outputs connect with an orifice (7) of three channel valve (8) connected to the cell (12). A liquid is introduced (10) into reservoir base and a gas is introduced (14) into the top of reservoir. Manipulation of valves enables normal or high sensitivity measurements to be made.
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