无菌纱布组以传统的无菌纱布覆盖固定。
The experimental group used the transparent dressing while the control one used sterile gauze.
随着股价下跌，利润率下滑而且收入可能难以覆盖固定费用。
As share prices fall, margins decline and revenues may fail to cover fixed costs.
上海贝尔阿尔卡特拥有端到端的产品线，覆盖固定，移动和专网通信市场。
Alcatel Shanghai Bell delivers end-to-end solutions, covering fixed, mobile and private communications markets.
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