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Shandong provincial water conservancy project construction quality and safety inspection center station inspection report
Date:2017-12-06 11:13:58 Source: Browsing times:
Shandong provincial water conservancy project construction quality and safety inspection center station inspection report
Polythene (PE) pipe testing project for water supply:
The appearance, the average diameter, wall thickness, longitudinal shrinkage rate, elongation, hydrostatic test, oxidation induction time
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