Test of affect moisture motion in soil boy by vacuum negative pressure;
真空负压对土体结构中水分运动影响试验探讨
Citing an example of application in the Huizhou Chaoneng Bilingual School of Guangdong Province, technical aspects of the drainage system including the structure of sports ground, the distribution of pipe network and vacuum under suction are presented.
从非饱和渗流的微分方程出发 ,推导出运动场负压快速排水的机理 ,再结合广东省惠州超能双语学校足球训练场的应用实例 ,对排水系统在场地结构、管网布置、负压真空等技术环节上给予阐
Application of vacuum high negative pressure drainage in breast cancer surgery;
真空高负压引流技术在乳腺癌术中的应用
The Design of Vacuum Dust Absorption System of Boiler Houses in the Thermal Power Plant
火电厂锅炉房真空负压吸尘系统设计
Introducing Vacuum Negative-pressure Technique and Reducing Coal Dust Problem in Fully Mechanized Caving Face
引进真空负压技术 降低综放面煤尘
Diameter setting part: It has adopted vacuum negative pressure setting and recycled water cooling and it is made of stainless steel.
定径部分：采用真空负压定型及循环水冷却，不锈钢板制作。
vacuum transducer [sensor]
真空[负压] 传感器
battery for supplying a constant positive voltage to the plate of a vacuum tube.
能够产生真空管金属板稳定负电压的电池。
an ionization gauge
电离压力[真空]计
A vacuum pump creates negative pressure for correct operation of the filtrate recovery system.
真空泵产生的负压是保证滤液回收系统的正确运行。
Efficacy Comparison of Vacuum-Assisted Tube Drainage and Open Drainage in Treatment of Infected Surgical Wound
真空试管负压引流与开放引流对感染切口的治疗效果比较
Selection of Vacuum Pump and Capacity Calculation of Dust Separator in Lost Foam and V-process Casting
消失模与V法铸造用真空泵的选型和负压罐的计算
Effect of Tournique-free Blood Sample Collection Under Negative Pressure on Hemopathic Patients
血液病患者采用无止血带负压真空采血效果观察
vacuum-operated load reducer
真空下降负荷限制器
Knudsen ga(u)ge
努森压力计, 努森真空计, 辐射真空计
brake hydrovac cylinder
闸式真空液压制动器缸
combination gauge
真空压力表组合量规
Bourdon and Schaffer pressure vacum gauge
波登-舍费尔压力-真空表
vacuum-operated hydraulic brake
真空液压驱动式制动器
seibt rectifier
低压真空管全波整流器
recording vacuum tube voltmeter
记录式真空管电压表