JJQ-FOUNDRY
Zezhou Golden Autumn Foundry Co., Ltd
Contact Way
+86 138 3492 3290
为排除坑道内的涌水或积水而采取的措施。一般是在坑道的一侧挖掘排水沟,使水自流集中于水仓或贮水池后用水泵排至地面。平窿中可利用坑道坡度自流排水。
S bending
90 ° short elbow
Bottleneck three links
Spring ball ink well cover
Spherical graphite Φ 700 heavy well cover
Ductile iron manhole cover
'JJQ'Ductile iron pipe
'JJQ' DN700
Water meter box
0086-0356-3896111
Cast iron Drain Pipe Industry dynamics相关链接