drainability of ballast
道碴的排性
drainability of ballast
道碴的排性
Filler retention and drainability of wheat shaw pulp could be improved remarkably when PAC and PDADMAC were added as ATC before the addition of CPAM.
用PAC和PDADMAC作为阴离子捕捉剂可显著改善麦草浆的滤性,提高其留率。
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