短语词组短語inertia welder wheel 慣性輪inertia momentum wheel 慣性動量輪Variable inertia reaction wheel 變慣量反作用飛輪variable mass inertia wheel 慣性轉鼓The inertia wheel vibration 慣性輪振次inertia wheel pendulum 慣性擺系統 返回 inertia wheel