Kuv-beam
Lus piav qhia luv luv:
I-beam, tseem hu ua steel beam, yog ib txoj hlua ntev ntawm cov hlau nrog I-shaped seem.I-beam muab faib ua kub dov I-beam thiab lub teeb I-beam.Nws yog ib seem hlau nrog I-section zoo
Scope ntawm daim ntawv thov
Vim tias qhov loj me me ntawm qhov loj me ntawm I-nqaj thiab lub teeb I-beam, lub sijhawm ntawm inertia ntawm ob lub tsho loj ntawm cov seem yog qhov sib txawv heev, uas ua rau nws txwv tsis pub dhau ntawm daim ntawv thov.Kev siv I-beam yuav tsum raug xaiv raws li qhov yuav tsum tau ua ntawm cov duab kos duab.
