Dab tsi yog qhov zoo thiab qhov tsis zoo ntawm trolley schoolbags

Lub tsev kawm ntawv siab ntawm cov tub ntxhais kawm niaj hnub no tsis yog siab heev, thiab qhov hnyav ntawm cov hnab kawm ntawv tau hnyav dua thiab hnyav dua vim muaj ntau yam haujlwm ua tom tsev, tshwj xeeb tshaj yog rau cov tub ntxhais kawm theem pib, lawv cov hnab ntawv hauv tsev kawm ntawv qee zaum tsis teeb ntawm cov neeg laus txhais tes. Yuav kom txo tau cov tub ntxhais kawm ntawv, cov trolley schoolbags tau tshwm sim raws li lub sijhawm xav tau. Yog li, dab tsi yog qhov zoo thiab qhov tsis zoo ntawm trolley schoolbags? Kuv yuav teb lawv rau koj.

Qhov zoo ntawmhnab trolley

Covtrolley schoolbagdaws lub nra uas tshwm sim los ntawm lub hnab ntim khoom hnyav rau ntawm lub cev tsis muaj zog ntawm tus menyuam, thiab ua kom yooj yim rau tus menyuam. Ib txhia ntawm lawv yog detachable, uas yuav siv tau raws li ib tug schoolbag los yog ib tug trolley schoolbag, paub txog ib tug dual-purpose hnab, uas zoo heev tsim kom yooj yim rau cov me nyuam. Ntxiv mus, qhov zoo ntawm lub tsev kawm ntawv lub hnab trolley yog qhov zoo heev. Nws tsis tsuas yog muaj dej tsis zoo, tab sis kuj tsis yooj yim rau deform. Nws yog qhov ruaj khov heev thiab feem ntau muaj lub neej ua haujlwm txog li 3-5 xyoos.

Qhov tsis zoo ntawmhnab trolley

Txawm hais tias lub trolley schoolbag tuaj yeem nce tus ntaiv, nws tseem tsis yooj yim rau cov menyuam yaus rub lub trolley schoolbag nce thiab nqis ntaiv, tshwj xeeb tshaj yog thaum lub trolley schoolbag loj thiab hnyav, muaj neeg coob coob lossis kev sib tsoo yuav tshwm sim; Cov xwm txheej yuav tshwm sim thaum ua si; cov menyuam yaus nyob rau theem kev loj hlob thiab kev loj hlob, thiab lawv cov pob txha kuj sib tw. Yog tias lawv rub lub hnab ntawv mus rau sab xis nrog ib txhais tes ntev ntev, tus txha nraub qaum yuav tsis sib npaug, uas tuaj yeem ua rau tus txha nraub qaum xws li hunchback thiab sagging ntawm lub duav, thiab nws kuj yooj yim rau sprain dab teg.