the dryer out on alternate straw fibers through a plastic straw into the grinder crushed powder, and then through a 80 mesh sieve straw powder, such composite materials economy, processability and physical properties can be very good, during mixing wheat straw is not prone to agglomeration. Pretreated wheat straw powder b The wheat straw for 30min, 10% H2SO4 solution,
non slip surfaces for outdoor wooden ramps stairs mainly to remove...
thick outdoor floor thick outdoor floor
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