Cau 6: Mat cat thang dung cua mot dèn hinh trong may thu hinh duo c vē nhu trong hinh ve. Tia AA' tuong trung cho chum electron den dap vao màn huynh quang M, cá c ōng day L1, L2 dung de lái chùm tia ele
Smiles may increase the lung the respiratory capacity. [translate] aerror accessing external object 访问外在对象的错误 [translate] a修正了中国的一部分的品质的要求 正在翻译,请等待... [translate] awe say thang you for all the good things we havo 我们说thang您为所有好事我们havo [translate] a...