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发表于 2009-12-2 19:26:24
ASTM F 1741-2005 修理现有污水管和导管所用机制螺纹聚氯乙....
F1741-02a Standard Practice for Installation of Machine Spiral Wound Poly (Vinyl Chloride) (PVC) Liner Pipe for Rehabilitation of Existing Sewers and Conduits