Yog steel rooj tib yam li hollow hlau qhov rooj?

Nov 14, 2022 Tso lus

Koj tuaj yeem hnov cov qhov rooj no thiab cov thav ntawv xa mus rau "Hlau" lossis "Hollow hlau". Feem ntau, cov kws kes duab vajtse xa mus rau lawv raws li "Hlau" thiab cov neeg xa khoom thiab cov tuam ntxhab hais tias "Hollow hlau". Thov nco ntsoov tias lawv tau hais txog tib yam khoom thiab cov lus piav qhia yuav siv sib hloov pauv.