方法：采用毛刷式洗瓶机及超声波式洗瓶机洗瓶，加以比较。
Method: Compare Brush Washing-vial Machine with Vhrasonic Washing-vial Machine.
介绍了超声波式烧结环冷机料层厚度测量仪的系统构成和工作原理。
In This paper, the system composition and working principle of the material thickness measuring meter of ultrasonic sinter-circle-cooling machines are introduced.
介绍了热量表采用的电磁式、超声波式、机械式流量计的技术特点。
The technical characteristics of electromagnetic, ultrasonic and mechanical flowmeters used in heat meters are introduced.
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