Compaired with the general weapon, the explosive weapon can cause not only bigger defects of soft tissue with severe contamination, but also bone defects or bone exposure in limb injury.

同其他常规武器相比，肢体爆炸伤不仅在局部造成大面积皮肤软组织缺损，而且创面污染严重，往往还合并骨外露和骨缺损。

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In the whole production process of oil exploration exploitation, there is a type of severe contamination environmental substance to coupled with petroleum together withdrawn oily sludge.

在整个石油勘探开发过程中，伴随着石油一同采出的含油污泥是一种严重污染环境的物质。

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Conclusion the contamination of air in the operating room is severe, the restriction of the activity and the number of staff in the operating room can reduce the precipitating bacterial density.

结论手术过程中洁净手术室空气细菌污染严重，限制手术人员活动和人数可降低沉降菌密度。

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