drill piles in construction
常見例句
- Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
長螺旋鉆管內(nèi)泵壓CFG樁施工技術(shù)在太原部分地區(qū)擾動敏感性土中應用時，常出現(xiàn)嚴重縮徑質(zhì)量問題。 返回 drill piles in construction