Cov hlau kaum sab xis yog cov hlau zoo li daim kab xev uas muaj qhov seem L, feem ntau yog tsim los ntawm kev dov kub, kos duab txias, lossis kev sib tsoo. Vim nws daim ntawv seem, nws kuj tseem hu ua "L-puab hlau" lossis "hlau kaum sab xis." T...
Cov kauj hlau txias dov, feem ntau hu ua daim ntawv txias dov, yog tsim los ntawm kev dov txias ntxiv rau hauv cov hlau carbon kub dov rau hauv cov hlau phaj tsawg dua 4 hli tuab. Cov uas xa tuaj ua daim ntawv hu ua hlau phaj, tseem hu ua lub thawv phaj lossis f...
Cov hlau dov kub yog tsim los ntawm kev ua kom cov hlau billets kub thiab tom qab ntawd ua tiav lawv los ntawm kev dov kom ua tiav qhov tuab thiab dav ntawm cov hlau phaj lossis cov khoom kauj. Cov txheej txheem no tshwm sim ntawm qhov kub siab, imp ...
Cov yeeb nkab ua ntej galvanized yog cov hlau txias dov ua ntej galvanized thiab tom qab ntawd galvanized hlau nrog galvanized hlau hauv kev vuam ua los ntawm cov yeeb nkab hlau, vim tias cov yeeb nkab galvanized siv cov hlau txias dov ua ntej galvanized thiab tom qab ntawd m ...
