例句 /

A new technology on filling in and sealing against leak with expandable materials is introduced in this paper, which is applied in drilling in limestone area.

A new technology on filling in and sealing against leak with expandable materials is introduced in this paper, which is applied in drilling in limestone area.

摘要本文介绍了石灰岩地区钻探施工中,利用液体高膨胀材料充填、堵漏新工艺。