planned spacing of birth

Points out the necessary and important meaning of the verification of oxygen inhalator principleof the inhalator.

针对氧气吸入器检定过程中存在的主要问题,指出了计量器具检定的必要性、重要性.

the clinical research of the sterilization of spray inhalator

氧驱动雾化吸入器消毒方法的临床研究

a mechanism of pulse are presented in this paper oxygen inhalation and the electrical principle of pulse oxygen inhalator.

作者介绍了“脉冲吸氧”的机理和脉冲吸氧仪的电原理及优越性。

buoy type oxygen inhalator common breakdown and overhaul

浮标式氧气吸入器的常见故障及检修

said inhalator comprises a substance reservoir chamber (27) and a metering chamber (34) receiving a defined amount of the substance.

所述吸入器包括接收有限量物质的配量室（34）和物质存储室（27）。

The paper presented the machanism of pulse oxygen inhalation andthe electrical principle of pulse oxygen inhalator.

本文介绍了“脉冲吸氧”的机理和脉冲吸氧仪的电原理及优越性.

manufacturing of air-heated equipment in ultrasonic spray inhalator and clinical application

超声雾化吸入器空气加热装置的制作与临床应用

Detecting Main Parameters of Circuit Device in Nebulizing Inhalator by Volometer

用万用表检测超声雾化吸入器电路器件的主要参数数据

contrast study of sputum excreting effect by oxygen inhalator and ultrasonic inhalator for patients after thoraces operation

氧气雾化及超声雾化吸入对开胸术后排痰效果的对比研究