Xov xwm

Lub qhov muag tsis pom flange yog ib qho ntawm ob lub flanges nrov tshaj plaws ntawm kev ua lag luam. Nws cov yam ntxwv tseem ceeb yog qhov tsis muaj qhov nruab nrab, uas tso ca...

Tus nqi siv tau cov pa roj carbon monoxide yog cov khoom siv los ntawm cov hlau alloy, muaj cov tshuab ua haujlwm siab, nrog ntau theem ntawm cov pa roj carbon ntau hauv nws cov...

Rau lub hauv paus nws yog ib qho tseem ceeb uas cov txhuas raj muaj ib tug siab concentration ntawm carbon. Thaum kawg, lawv yog cov uas yuav lav lub cev ruaj ntseg ntawm imóvel...

Brazilian Association of Technical Standards thiab Brazilian Civil Construction Committee, ABNT/CB-02, yuav pib tsim cov dej num ntawm cov txheej txheem PN 02:125.03-004, hu ua ...

Cov raj hlau yog cov khoom tseem ceeb rau kev lag luam - tsis yog kev lag luam thiab kev lag luam hlau - thiab kev tsim kho dav dav - hauv cov qauv, cov kav dej phwj tuaj, cov r...

Cov kev lag luam uas tsav lub Brazilian kev lag luam xav tau cov qauv zoo hauv lawv cov tshuab thiab cov haujlwm uas cuam tshuam txog kev tsim khoom engineering. Ntau tus ntawm ...

Rectangular raj yog siv rau kev tsim qauv thiab ntau ntu ntawm kev lag luam. Kuj tseem hu ua hlau, lawv tau tsim nyob rau hauv ib puag ncig hom thiab tom qab ntawd dhau los ntaw...

Kev lag luam Brazilian rau cov raj steel, tau tsav nyob rau xyoo tas los no los ntawm kev siv ntau dua ntawm OCTG tubing thiab lwm yam ntawm cov raj xa mus rau cov roj thiab lub...

Cov raj steel yog cov khoom lag luam tseem ceeb heev rau kev lag luam, kev tsim vaj tsev thiab kev tsim khoom. Kev kwv yees qhia tias ntau dua 34 lab tons ntawm cov hlau tag nrh...