输送管(1)具有一 个双层的管身(2),该管身在入口侧的管端(5)上并且在出口侧的管端(6)上分别设置一个联接凸肩(7、8)。
The delivery pipe (1) has a double-layer pipe body (2) which has in each case a coupling collar (7, 8) at the inlet-side pipe end (5) and at the outlet-side pipe end (6).
输送管(1)具有一 个双层的管身(2),该管身在入口侧的管端(5)上并且在出口侧的管端(6)上分别设置一个联接凸肩(7、8)。
The delivery pipe (1) has a double-layer pipe body (2) which has in each case a coupling collar (7, 8) at the inlet-side pipe end (5) and at the outlet-side pipe end (6).
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