The material and method of whole-body vacuum fixation stretcher and vacuum fixation mat are de- scribed in this paper.
本文介绍全身真空固定担架和多部位真空固定垫的材料与方法，该器材用于严重骨折和多发伤固定、运送伤员。
Study on Vacuum Suction Process for Complicated Thin-walled Aluminum Alloy Castings;
薄壁复杂铝合金精铸件真空吸铸工艺研究
A Thin wall intricate aluminium alloy housing was casted with vacuum suction,and the casting was poured with three different filling velocities: 25mm/s,40mm/s and 25mm/s fill 6 seconds,then 40mm/s,X-ray was used to detect the mentallurgical quality of these castings.
研究了薄壁铝合金铸件真空吸铸充型速度对其内部质量的影响,对一种200mm×180mm,壁厚为2。
This article elaborated the "inductive jet" principle of air current and the application in draining water accumulated in the factory,explained the feasibility and practicability of using vacuum absorption as the power supply to drain water automatically in the enterprise.
从实际应用的角度出发,阐述了气流“引射”原理及其在工厂排除积水中的应用,说明了利用真空吸附为动力源在企业中进行自动排水的可行性和实用性。
The redundant control theory was applied in the vacuum absorption system of wall cleaning robot,and its feasibility was analyzedt,hen a model was established.
将冗余控制理论应用于负压式壁面爬行机器人的真空吸附系统中,分析了冗余理论应用于真空吸附系统的可行性并建模,提出了提高其安全性的有效措施——双真空泵冗余系统。
The Method to Manufacture Composite Bending Pipes by Expendable Pattern Casting under Vacuum
用消失模真空吸铸法制备双金属复合弯管
Study on Vacuum Suction Casting for TiAl-Based Alloys
TiAl基合金金属型真空吸铸成形方法研究(英文)
Investigation on Suction Casting Control Technology for Titanium Alloy Parts
钛合金构件真空吸铸成形控制技术的研究
Study on the preparation of wear resistant surface cast by vacuum-full mould casting
真空实型铸造法制备表面耐磨铸件研究进展
The Mechanism of the Mold Collapse Defect for Iron Casting in Expendable Pattern Casting Process with Dry Sand and Vacuum
真空消失模铸造铸铁件铸型坍塌缺陷成因的研究
open-width suction dryer
平幅真空吸水干燥机
To clean with or use a vacuum cleaner.
使用真空吸尘器（打扫）
They have not get a vacuum cleaner.
他们没有真空吸尘器。
clean(sth)with a vacuum cleaner
用真空吸尘器清扫（某物）
household vacuum cleaner-blower motor
家用真空吸尘器电风机
rotation of fetal head by vacuum extractor
真空吸引器旋转胎头术
Eimco belt filter
旋转带式真空吸滤机
downdraft constant - vacuum carburettor
下吸式恒真空度化油器
vacuum cleaner alloy
真空吸尘器用铝铜合金
The porter turned off the vacuum.
清洁工关掉真空吸尘器。
Vacuum Cleaner Agent Realized by JAVA
真空吸尘器Agent的JAVA实现
Mould filling of low-pressure expendable pattern casting process for magnesium alloys
镁合金真空低压消失模铸造充型特征
Design method of the vacuum die-casting mould for large-scale thin shell part
大型薄壁件真空压铸模具的设计方法