drainability of ballast
道碴的排水性
drainability of ballast
道碴的排水性
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离子捕捉剂可显著改善麦草浆的滤水性,提高其留率。
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