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.
系统的正确安装包括取压口的开口位置、连接导管的合理铺设和仪表安装位置的正确等。
Correct project items for system installing includes selecting pressure measure position, paving pipe reasonably and choosing proper install position.
金属导管严禁对口熔焊连接。
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