Trường học lắp khung thép chống cận thị
Một trường tiểu học ở Trung Quốc quyết định lắp khung thép cho bàn học để học sinh ngồi đúng tư thế và phòng tránh cận thị học đường.
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w73hu4nhuqDDveG7s+G7iXXhuqThu4l54buzw7Xhuq7hu4lKw4zhu4/hu4lN4bur4buG4buJdXDhu4bhu4nEgnnhuqzhu7Phu4nDueG7gsSCeeG7ieG7gEnhu4nhu4DDveG7seG6v+G7iUrDjOG7j+G7iU3hu6vhu4bhu4l1cOG7huG7iUrhu7Phu7Hhu4Dhu4nDueG7gsSCeeG6v+G7iUrhu7Phu7Hhu4Dhu4nDucWp4bq64buBZi/hurpnZuG6uuG7iXXhuqLhu4/hur7hur5k4buL4bq6VOG6rsO6TeG7i2fhu4s2w71x4buA4buJ4bqiw7Thu4nhurzhu4bDteG7ieG6oMO94bqw4buJw7l24buJ4bqiw7TDg+G7icO5SUV14buJdeG7k+G7icO94buP4buz4bq/4buJdcO94bqu4buJxILhu6vEguG7icO54buxxILhu4nhuqDDveG7s+G7iUrhu7Phu7Hhu4Dhu4nDuUlFdeG7icO5xanhurrhu4nhu4DDveG7t+G7icOD4bu3xILDveG7ieG7gMO94buhTeG7icOD4bu3xILDveG7icO54buZ4buJdOG6tuG7icOK4buP4buJdMO0xILhu4vhur/hu4kqVeG7icSC4bqw4buz4buBZi/hurpnZuG6uuG7iXXhuqLhu4/hur7hur5k4buL4bq6VOG6rsO6TeG7i2c24buGTeG7icSCw73hu7Phu6vEguG6v+G7iXVIxIJ54buJdeG6sOG7icSCw73EqMSCeeG7icSCeUnEkOG7s+G7ieG6ouG6ruG7icSCeeG7keG7s+G7icOKxqHEgnnhu4l1w73hu7Phu63hu4bhu4l14buP4bqu4buJdUfhu4/hu4nDg0Lhu7Phu4nhu6XDg+G7ieG6oMO94bqkxIJ54buJeeG7s+G6psSCeeG7icSCw73hu4/hu4bhur/hu4l14buExIJ54buJw4Phuqjhu4Dhu4nhuqDhu7V1w73hu4l14bq44buJ4bqgw73hu4bEgnnhu4nhu4DDveG7p+G6uuG7iXXDvUnhu4/hu4l1w73hu5d14buJw7nhu5nhu4nhu4Dhuqbhu4Dhu4l1w73huq7hu4l1w7V14buJ4bulw4Phu4Hhu4kmeUnEkOG7s+G7icO64buExIJ54buJdeG6sOG7ieG7gOG7q8SC4buJVOG7j+G6ouG7huG7ieG7gMO94bu34buJxILhurDhu7Phu4nEgnnhu4ZN4burxILhu4nEgsO94bufxILhu4l1w71H4buJTeG7seG7huG7iXVH4buP4buJdXHEguG7ieG7gMO94bu54buJdOG7n03hu4l54buzxJDhu4nhuqDDveG6pMSCeeG7iXXhurbEguG7ieG6osO04buJ4bq+w7V1w73hu4lKw4nhu4nEgsSo4buP4buJw4PDtOG7ieG6osO04buJw7rhuq7hu4l54buz4buP4buJw7nhu7fEgsO94buJdcO94bqu4buJdcO1deG7ieG7pcOD4buJdcO9Q+G7s+G7ieG7gMOKxJDhu4l1w71D4buz4buJ4buAw4rhu6vEguG7icODw7VN4buJ4buA4bu1xILDveG7iUrDtOG7icO54buz4buvxILhu4nhu4DDveG6ruG7keG7s+G7icO64buz4buJw7nhuqjEgnnhu4nhurzhu4bDteG7icSCw73hu7Phu63hu4bhu4l54bufTeG7icSC4burxILhu4Hhu4nDmuG6ruG7icO54bqw4bq/4buJw7nhu59N4buJdcO9QeG7ieG6osO04buJw4Phuqjhu4Dhu4nhu4DDiuG6rsSCeeG7iXXDtXXhu4l04buz4buvxILhu4nhurrDvcO14bq64buJdXDEguG7ieG6osO0w4Phu4FmL+G6umdm4bq64buJdeG6ouG7j+G6vuG6vmThu4vhurpU4bquw7pN4buLZzbDveG7peG6ruG7ieG6tybhu6RmL+G6umc=