光以直线经由空中传送。
Light is propagated through space in a straight line .
分解成几百万个小微粒迅速地在空中传送…
into millions and millions of tiny pieces and send it whizzing through the air ...
从空中传送系统送来主体，从其他地方送来各种装配件。
From one overhead conveyor system comes the main body , and from others come various appurtenances .
空中传送