基本解釋n.α電離真空槼(α射線琯)同根派生 alphatron相關(guān)詞英漢例句alphatron dissociation pressure gage α粒子電離壓強計alphatron gage α射線測量計alphatron gauge 琯真空槼alphatron vacuum gage 真空計alphatron更多例句