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Automatic operation of weighed groundwater lysimeter, employs closed reference vessel part-filled with water, with control system for pressure in head space
Automatic operation of weighed groundwater lysimeter, employs closed reference vessel part-filled with water, with control system for pressure in head space
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机译：称重的地下水溶渗仪自动运行，采用部分装满水的密闭参考容器，并带有控制系统以控制顶部空间的压力
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摘要
The reference vessel (6) is closed and part-filled with water (14), the pressure in the remaining air space being controlled (8, 9) automatically.
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