Ground heat exchanger is an important component of the ground Coupled heat Pump (GCHP) system and a single U-tube is the most common type of ground heat exchanger.
地下换热器是地源热泵系统重要的组成部分，单u型管是当前广泛使用的地下换热器形式。
A description is made of the structural characteristics of the new-type U-tube heat exchanger, and an introduction is given to its use in the crude methanol system.
阐述了新型U形管换热器的结构特点，介绍了该种换热器在粗甲醇系统中的应用情况。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
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