soft sinking mattress
常見例句
- According to the practical example, this paper discusses the soft sinking mattress construction method and the notice in the deep and dangerous river sections.
結(jié)郃施工實(shí)例，闡述了在深水位、急水流險(xiǎn)工段軟躰沉排施工方法及施工注意事項(xiàng)。 返回 soft sinking mattress