Tus visor yog tsim los kom tsis txhob muaj lub ntsej muag ntawm lub hnub thiab tiv thaiv kom muaj lub hnub. Qee tus tuaj yeem hloov rov qab thiab tawm mus, yog li los kho qhov tawg ntawm lub hnub rau lub qhov muag, zam qhov tshwm sim ntawm kev sib raug zoo, thiab muaj kev cuam tshuam zoo dua. Yuav siv tau sab hauv tsev, xws li lub hom phiaj tsheb: Tus visor kuj ua rau nws nyuaj rau lub tsheb, tab sis kuj tuaj yeem tiv thaiv lub dashboard, yog tog tog. Sunshades kuj tseem siv tau sab nraud.
Kev Siv Sab Nraud
Lub vojvoog pub siv hluav taws xob ntawm curvature (r) yuav tsum ntau tshaj 180 zaug lub thickness ntawm phaj.
Piv txwv li: Piv txwv li, yog tias tus thawj coj 3MMPC raug siv tawm sab nraud, nws lub vojvoog ntawm curvature yuav tsum yog 3mm × 180 = 540 hli = 540MM. Yog li ntawd, qhov tsim hluav taws xob tsim ntawm curvature yuav tsum yog tsawg kawg 54cm. Thov saib cov lus ntawm qhov tsawg kawg nkaus khoov hluav taws xob vojvoog.
Kev siv nyob sab hauv tsev
Lub vojvoog pub siv hluav taws xob ntawm curvature (r) yuav tsum ntau tshaj 150 zaug lub thickness ntawm phaj.
