shaft lining
短語(yǔ)詞組
- shaft t lining 井筒支架
- mine shaft -lining 井筒湧水
- shaft -lining 立井井筒
- propeller shaft lining 尾軸襯套;尾軸襯層
- shaft lining thickness design 井壁厚度設(shè)計(jì)
- shaft lining fracture 井壁破裂
- vertical shaft lining 立井井壁
- drilling shaft lining structure 鑽井井壁結(jié)搆
- shaft lining deformation 井壁應(yīng)變 返回 shaft lining