Milk and waste treatment centers are on the platform's lower level.

牛奶和废物处理中心在平台的较低层。

While crawling up the 5% grade to the launch location, the crawler uses a ladder guiding system and a leveling device to maintain the mobile launcher platform level with 10 minutes of arc.

当爬行5%坡度到达发射位置时，履带车利用梯子引导系统和调平装置以10分钟弧度保持移动发射器平台水平。