中石化广州工程有限公司广州两厂物料管廊及蒸汽和埋地管线迁改项目EPC总承包标段一EPC总承包项目管托中石化广州工程有限公司固定管托\PSF-303 DN500 H=250 L=700 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=950 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=900 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=850 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=800 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=750 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=950 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=700 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=900 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=750 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=800 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=800 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=700 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=900 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=850 GB/T 17116 20G滑动管托\PSS-301 DN500 H=250 L=750 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=800 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=750 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=900 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=850 GB/T 17116 20G导向管托\PSG-302 DN500 H=250 L=950 GB/T 17116 20G
2026-09-30