bao don den bi cach lam to cu nhanh chich gai bang bao don den tang kich co cau nho bao don den bu deo bao cao su quan h lam to cu tang kich co lam to chuym may tap cau nho duong vat dai may lam to chuym bao don den duong vat dai may tap duong vat tu dong bao don den khuc giua may tap tang kich co cau nho khung may tap duong vat to gai dam dang bao tang kich co duong vat bao don den tang kich co bao don den gan bao cao su lam to duong vat lam to cau nho deo bao cao su bao don den gai du gai suong duong vat to dai