Horizontal section of linked pipe should keep in a position with some slope, in order to remove condensate liquid or gas.
连接导管的水平段应有一定的斜度，以利于排除冷凝液体或气体。
Horizontal section of linked pipe should keep in a position with some slope, in order to remove condensate liquid or gas.
连接导管的水平段应有一定的斜度，以利于排除冷凝液体或气体。
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