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sampler of fluid under pressure for monitoring the operation of a site geological
sampler of fluid under pressure for monitoring the operation of a site geological
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机译:压力下的流体采样器,用于监测现场地质作业
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摘要
The invention relates to a fluid sampling device comprising a sample chamber (01) including a lower piston (05), an upper piston (02) and an intermediate piston (28). Intermediate piston (28) is moved so as to guarantee a substantially constant volume for chamber (01) when closing the chamber.
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