闭壳层;
Selection of Sulfur Recovery Process Scheme Completed with Shell Coal Gasification
壳牌煤气化配套硫回收工艺方案的选择
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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