Objective to prepare a novel soft mattress and to study its application in prevention of pressure sores in patients.
目的探讨实用新型软垫的制作及在预防压疮中的应用。
According to a project in Xinjiang, the causes prevention measures and treatment methods for the cracks in a soft rock tunnel.
针对新疆某工程，论述了软岩隧洞裂缝产生的原因、防止措施及处理方法，其成功经验对类似工程建设有着积极的作用。
Proton total soda steam boiler accidents than other soft drinks accident mechanism much more complex, so treatment and prevention of accidents are also more complicated.
蒸汽锅炉汽水共腾事故的发生机理比其它汽水事故要复杂得多，因此事故的处理与预防也比较复杂。
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