此外，在理解透2nd马的关卡精妙之后，你还能花上不少时间研究自己的关卡，这种“设计”的乐趣，大概只有《创世小玩家》能get得到。All are of steel, as will be the 4 molded-in slide "rails" that evaluate about 0.4" in length and can be found in pairs on the rear of your receiver and above and forward