The development of a close flash point measuring instrument (electronic thermometer with digital indication) for penetrant is introduced.
介绍一种渗透液闭口闪点测量仪器——数码显示电子温度计的研制。
The development of a close flash point measuring instrument (electronic thermometer with digital indication) for penetrant is introduced.
介绍一种渗透液闭口闪点测量仪器——数码显示电子温度计的研制。
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