Kèo nhà cái 5šǡɽʡԭһΪȨѰְҵΥרʽȷΪıȡͥƲڼȻйֲһĻӰ÷ʾйԳԾͼֲ֯ʿӴлҪһ۲о
417ǷռҽƱշ16.8Ԫڽί迪ͬʱ֯Żίḱְ˾518ڽԺ϶̰һдͽ겢ʮԪ528յǮǮǫ̂塰ɼҵʿ(ChuckMcCarthy)ṩˡɢΪǴʿܴ˶ϤɢÿСʱҪ30Ԫ
»527յǵ˹DZϢݰý27ձùвǵ26ɽ廬23ЩմӺζдϼǧҲйϵȥлǮͨƽ̨4SȻɫģһس4000Ԫ6000ԪÿһԴл2000Ԫ
ָҵɵӰ켫ɵΣǼ̬ҪȾԴʮȫʡ²иŬƻ̬Ĺ˼·°ȫʶ幤ļԺִ˼֯ȫ泹ץ̬ƶȫεչʱ526Һպ֣NASAĸ밢ޣApollo ¼ƻʵңSkylabʷϵλԱסȶAlanBean˹ҽԺȥ86