| 释义 |
vacuum extraction
释义
真空抽吸术：一种分娩过程中的助产手段，通过在胎儿头部附着一个真空吸盘，然后用力拉动以帮助胎儿顺利通过产道。
例句
1·Fluidized floors can be designed for multiple point vacuum extraction or for bottom or side discharge.
流化床层可设计多点真空提取或底部或侧面排放。
2·The highest levels of cortisol are found in those born by assisted vaginal delivery using forceps or vacuum extraction .
皮质醇水平最高的是那些通过手术钳或真空抽取而娩出的婴儿。
3·Vacuum extraction system of extraction performance affects behavior of degassing , decarburization, denitriding and so on in RH_KTB refining process.
真空抽气系统抽气性能的好坏直接影响RH-KTB精炼的脱气、脱碳、脱氮的效果，极限真空度高低决定了钢水最终的气体含量。
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