大数定位之层进式阶梯倍投法简介：Liu Lei held the door with his right hand and carried a bag with his left hand. There were cans of Coke and other sodas and other snacks in it. He smiled and said, "I knew you were here."
Liu Lei held the door with his right hand and carried a bag with his left hand. There were cans of Coke and other sodas and other snacks in it. He smiled and said, "I knew you were here."
