The underlying risk may lead to some serious conditions such as cramps, sprain, arthritis or even fracture.
潜在的风险可能会导致一些严重的疾病,如抽筋,扭伤,关节炎,甚至断裂。
However, even igneous and metamorphic rocks may act as groundwater reservoirs if extensive fracturing occurs in such rocks and if the fracture system is interconnected.
然而,如果火成岩和变质岩中发生大规模的断裂,并且断裂系统相互连通,那么它们也可以作为地下水储集层。
On a battlefield, even their invention would not be of much use without a way to check the fracture and to decide where to make the injection.
在战场上,如果没有检查骨折并确定注射点的途径,即使采用他们的发明也无济于事。
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