本文介绍了一种全玻璃注射器体变管，它是由常规体变管改进而得。
To raise the accuracy of the apparatus, improvement has been made by using a whole glass injector to displace the traditional tube for measuring volume change.
本文介绍了一种全玻璃注射器体变管，它是由常规体变管改进而得。
To raise the accuracy of the apparatus, improvement has been made by using a whole glass injector to displace the traditional tube for measuring volume change.
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