[ [75管]内径70mm特厚[304材质] ]

[ [110管]内径100mm特厚[304材质] ]

[ [160管]内径150mm特厚[304材质] ]

[ [180管]内径178mm特厚[304材质] ]

[ [75管]内径70mm加厚[201材质] ]

[ [110管]内径100mm加厚[201材质] ]

[ [160管]内径150mm加厚[201材质] ]

[ [180管]内径178mm加厚[201材质] ]

[ [200管]内径192mm加厚[201材质] ]

[ [200管]内径192mm特厚[304材质] ]

[ [125管]内径120mm特厚[304材质] ]

[ 160管内径155mm特厚 [201材质] ]

[ [160管]内径155mm特厚[304材质] ]