gm meter 中文意思是什麼
gm meter
解釋
初穩距測量儀-
Bases for gm counter tubes - interrelationship of quartz - fiber electrometer type exposure meters and companion exposure meter chargers
蓋革-米勒計數管的管座.石英纖維靜電計式曝光表和相似曝光表的相互關系
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