研制成功了三种结构的具有管型电子倍增器的电离规，企图解决低到10~（-14）托的压强测量问题。
Three types of ion gauges with tube electron multiplier are developed. It intends to solve the low pressure measurements up to 10~(-14) torr.
研制成功了三种结构的具有管型电子倍增器的电离规，企图解决低到10~（-14）托的压强测量问题。
Three types of ion gauges with tube electron multiplier are developed. It intends to solve the low pressure measurements up to 10~(-14) torr.
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