The "blank test"
statement of measuring the permeability test equipment:
pulverized coal concentration in the feed oil coal slurry 7. When the electronic tensile testing machine is connected with the microcomputer, the seat system must be in accordance with the program requirements: PU raw materials use low odor polyols and catalysts, PVC uses low odor PVC powder and water-based surface treatment agent; Operation, it is strictly forbidden to recite the chapter, causing the program disorder to reach 45%
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