DC 04 cov khoom siv yog dab tsi?
DC04 steel yog cov hlau tsis-sib xyaw ua ke, tso cai rau cov ntsiab lus sib sib zog nqus, tso cai rau kev tsim cov khoom sib sib zog nqus cov khoom sib sib zog nqus nrog qhov ntsuas siab {}}
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.
Puas yog DC01 Cov Hlau Me Me?
DC01 shim steel yog cov me me steel paub rau nws cov ntsiab lus muaj peev xwm thiab cov txheej txheem txias heev, uas ua rau cov tuab tuab thiab siv ua kom du.
Yuav ua li cas txheeb xyuas cov hlau txias-rolled?
Kub dov steel nyhav kom muaj cov npoo nchav thiab cov chaw uas yuav tsum tau npaj ua haujlwm lossis lwm txoj kev kho kom zoo nkauj uas tso cai rau nws siv tau ua haujlwm ntau
DC01 yog dab tsi?
DC01 sawv cev rau qib pib ntawm DC stanbul ua haujlwm thiab fep01. Txoj kev ua haujlwm tau yooj yim xws li khoov, khoov thiab kos duab.
