Đăng bởi Kiều Anh
"may-co-don-gian"
"rong-roc"
"mat-phan-nghieng"
"ung-dung-cua-cac-loai-may-co-don-gian-trong-doi-song"
"cau-hoi-lien-quan-den-cac-loai-may-co-don-gian"