步骤一：依次将机臂转到对应的位置，此时定位 钢珠如图1所示（如长期不使用快收功能，可在机臂展开后，
安装上随机配送的4颗M3*14mm 螺丝。
M3*14螺丝
起飞前准备
图1 M3*14 screwsStep One: Rotate the frame arms to their corresponding positions one by one. At this point, the positioning
steel balls should be as shown in the picture below (if the quick folding function is not used often, you can
install the provided four M3*14mm screws after the frame arms have been rotated).
Preparations Before Flying the Mario
