A solid rocket cannot be throttled, either—once lit, it runs until the fuel is expended.
A solid rocket cannot be throttled, either—once lit, it runs until the fuel is expended.
此外，固体火箭也不能够调节燃料，一旦点燃了，就会运作到燃料用尽为止。
A solid rocket cannot be throttled, either—once lit, it runs until the fuel is expended.
此外，固体火箭也不能够调节燃料，一旦点燃了，就会运作到燃料用尽为止。