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Nov 28, 2019Cov tshuaj tsw qab ntim cov khoom ntim zoo-2Cov tshuaj tsw qab ntim cov khoom ntim zoo-2saib ntxiv -
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Nov 28, 2019Puas yog cov naj hoom volatilize tsis muaj lub hau naj hoom?Puas yog cov naj hoom volatilize tsis muaj lub hau naj hoom?saib ntxiv -
Nov 27, 2019Lub plating rau naj hoom lub raj mis lub kaus momLub plating rau naj hoom lub raj mis lub kaus momsaib ntxiv -
Nov 27, 2019Kev kho cov npoo ntawm zinc alloy npog : electrophoresisKev kho cov npoo ntawm zinc alloy npog : electrophoresissaib ntxiv -
Nov 27, 2019Vim li cas cov zinc alloy kaus mom xav tau plating?Vim li cas cov zinc alloy kaus mom xav tau plating?saib ntxiv -
Nov 27, 2019Qhov txawv ntawm kub plating rau naj hoom npog thiab qog kub plating yog dab ...Qhov txawv ntawm kub plating rau naj hoom npog thiab qog kub plating yog dab tsi?saib ntxiv -
Nov 27, 2019Cov yam ntxwv ntawm cov khoom siv rau zinc alloy naj hoom fwj capCov yam ntxwv ntawm cov khoom siv rau zinc alloy naj hoom fwj capsaib ntxiv -
Nov 27, 2019Electroplating ntawm zamac caw lam fwjElectroplating ntawm zamac caw lam fwjsaib ntxiv -
Nov 27, 2019Ntim Ntim Rau Poj Niam Naj Cov Phem NtimNtim Ntim Rau Poj Niam Naj Cov Phem Ntimsaib ntxiv -
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Nov 26, 2019Cov kub tiag tiag los yog qog kub, uas xim nrov nrov koj nyiam rau koj cov nt...Hauv naj hoom ntim, kub xim yog nrov heev, muaj imitation kub thiab tiag kub plating rau zamac naj hoom Cheebtsam, dab tsi yog qhov sib txawv?<saib ntxiv
