其他六个方向类似。但是不知道为什么地球的xyz轴也跟着旋转。就是说先左转45度之后，用户上下旋转会看到侧旋的球而不是面向你滚来或滚远方向运动的球。-The other six direction similar. But do not know why the earth s XYZ shaft rotates. That is to say the first45 degree turn to the left, the user s

first user manual sailing

carbon mast first45 drawings