negative-pressure suction 负压抽吸
Negative pressure suction system 负压吸附系统
Objective To explore the effects and nursing care of the simple continuous negative pressure suction on the deep wound.
目的：探讨简易持续负压吸引对促进深度创面愈合的疗效及护理。
参考来源 - 简易持续负压吸引在深度创面的应用观察及护理—《中国美容医学》—2011年第1期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective: To study clinical importance of casting pile-core crown with negative pressure suction silastic impressions and analyze reasons for the failure of routine impressions in pile-core crown.
目的：探讨铸造桩核冠常规印模过程中失败的原因，研究负压抽吸硅橡胶印模应用于铸造桩核冠的临床意义。
The gas extraction effects is related to negative pressure of suction.
顶板瓦斯高抽巷的抽采效果与抽放负压直接相关。
How it works: the piston moves from left to right, form a negative pressure pump cylinder, then the suction tank fluid through the valve into the pump cylinder.
工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。
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