With the wide application and the continuous improvement in technology, the drilling technology with casing has been used as an effective drilling method for difficult ground condition.
跟套管鉆进技术已发展成为对付复杂地层鉆进的一种有效的方法,其应用领域广泛,技术不断进步。
I enjoyed playing in the centre of defence at such a difficult ground after playing at full-back in Brussels.
我在中后卫的位置上感觉很好,这要比在布鲁塞尔踢右后卫好多了。
But on the verge of exhaustion of the reserve the working reached other side of the property, where it experienced difficult ground movement.
但在準备金的枯竭的边缘工作达成的财产,对方在那里经历困难的地面运动。
He is also experienced in soft ground tunnelling using tunnel Boring Machine and NATM methods carried out in difficult ground conditions and at close proximity to important structures.