市中心到处是纵横交错的小巷道。The centre of the city is full of tiny intersecting alley-ways.钾盐矿井水平巷道使用的探头长度达到200米.The lengths of the probes used in horizontal hole in potassium mines were up to 200 m.论述了锚喷巷道的破坏原因并提出了对策.The destructive...
Overgrown deciduous shrubs can be cut back at this time of year.过于繁茂的落叶灌木可以在每年的这个时候修剪.Deciduous trees shed their leaves in autumn.落叶树木在秋天落叶.Fusions were common between strains from deciduous hosts or coniferous hosts.来自阔...
Hydraulic jacks under the machine produce the movement.是机器下面的液压千斤顶造成的移动.The boat has no fewer than five hydraulic pumps.这艘船配有不少于5个液压泵。A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机....