21. Dab tsi yog qhov sib txawv ntawm qhov siab- zaus} zaus welded square yeeb nkab thiab hloov yeeb nkab?

21.1. Txawv ntawm cov txheej txheem ntau lawm
Cov txheej txheem ntau lawm ntawm cov duab plaub fab Welded Welded Welded Cov Yeeb Nkab, Kev Pub, Ua Si, Sebing, Sawing, Packing, Packing thiab Stacking.
21.2. Sib txawv ntawm kev ua yeeb yam
Square li welded yeeb nkab: nws muaj cov txheej txheem zoo nkauj thiab thauj khoom {{}} bearing} Tus xeeb ceem uas nws yog raug rau cov pressures thiab thauj khoom loj. Nyob rau tib lub sijhawm, nws zoo nkauj thiab muaj kuab heev kuj ua rau nws siv dav hauv architecture, kho kom zoo nkauj thiab lwm thaj teb.
High - zaus welded puag ncig lub raj: vim tias lawv yuav tsum tau siv weld Tsis tas li ntawd, siab - zaus} zaus welded round pipes kuj muaj zoo heev corrosion tsis kam thiab nkees ua yeeb yam.
21.3. Sib txawv ntawm cov ntawv thov
Square li welded yeeb nkab welded: siv tshuab dav siv hauv kev tsim kho, kev tsim kho tshuab, choj kev tsim kho thiab lwm thaj chaw. Hauv kev tsim kho ntawm kev tsim kho, duab plaub hau welded feem ntau siv los ua cov kab teeb, nws yog siv los ua cov thav duab, cov nkhaus thiab lwm yam ntawm ntau yam khoom siv.
Siab - zaus} zaus welded round root raj: feem ntau yog siv hauv kev thauj mus los, kev txhawb nqa qauv thiab lwm thaj teb. Piv txwv li, hauv kev xa dej, tso dej kom zoo, cua sov thiab lwm yam pipelines, siab} pa welded round round pipes; Hauv kev siv roj av, tshuaj lom neeg thiab lwm yam kev lag luam, nws tseem siv tau los ua ntau cov raj xa hluav taws xob thiab khoom siv.