横梯
横梯-
彼得已经搭好了攀爬横梯，第二天便把它们安在了墙上。
Peter had built the overhead ladders , and the next day he fitted them to the wall
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横垄加档和横坡梯沟是保土增产效果好且简便实用的耕作方法。
Horizontal ridge tillage with earth fenders and horizontal terraced pot tillage were two simple practical tillage methods , which Were also beneficial to soil conserving and yield increasing .