DC01 Cov Khoom Siv Yog Dab Tsi?
DC01 sawv cev rau qib pib ntawm DC steel tsev neeg thiab kuj tau paub nyob rau hauv cov txheej txheem qub st12 lossis fep01.
Dab tsi yog qhov sib txawv ntawm DC01 thiab DC03 steel?
DC01 - Cov qib no tuaj yeem siv rau kev ua haujlwm yooj yim, e {} dcing. dcing. dcing. dc
DC03 qib steel yog dab tsi?
Me-carbon steel rau kev sib tsoo txias
Qib DC03 Cov Khoom Taw Qhia Zoo Kawg Nkaus-Dress-Dressed Raws Li Txhua Hom Kev Nyab Xeeb. Txoj cai ntawm kev sib nqus thiab nyuaj.
Yog DC01 tib yam li CR4?
Mob taub hau txias
Ntawm no thaum John Tainton, peb cov khoom lag luam DC01 tus txheej txheem me (feem ntau xa mus rau cov ntawv tuab si hauv peb cov ntawv txheeb
DC 04 cov khoom siv yog dab tsi?
Qib DC04 yog cov hlau sib sib zog nqus ntawm DC Qib Tsev Neeg.} dc04 yog haum rau cov kev xav tau siab.
