According to different mud-filled bag pattern at home and abroad, some theoretical computation formulas were respectively obtained and used in practice.
从国外和国内不同的充泥管袋型式，各自得出一些理论计算公式，并应用于实践。
Can you imagine the little stone or mud-brick home in Bethlehem when Ruth arrived home that first night?She had a full bag of grain and an exciting full story to tell.
经过一天的辛勤工作之后，路得终于背著一大袋打好的麦子，回到伯利恒那间用石头或土砖砌成的小屋。
Can you imagine the little stone or mud-brick home in Bethlehem when Ruth arrived home that first night?She had a full bag of grain and an exciting full story to tell.
经过一天的辛勤工作之后，路得终于背著一大袋打好的麦子，回到伯利恒那间用石头或土砖砌成的小屋。
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