所谓拉底，就是在山脚线范围内砌筑第一层山石，即做出垫底的山石层。
The bottom line is pulled, at the foot of the mountain range of the first layer of stone masonry, stone made bottom layer.
拉底的山石底部一定要垫平垫稳，保证不能摇动，以便于向上砌筑山体。
At the bottom of the 2, pulling the bottom rocks must ensure the flat pad stability, and could not shake, in order to masonry mountain.
拉底的山石底部一定要垫平垫稳，保证不能摇动，以便于向上砌筑山体。
At the bottom of the 2, pulling the bottom rocks must ensure the flat pad stability, and could not shake, in order to masonry mountain.
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