[激光] 离子束抽运 ionic pumping: 离子抽运ionic beam modulation: 电离调制beam pumping unit: 抽油机beam pumping well: 游梁式抽油机抽油的井beam-balanced pumping unit: 游梁平衡抽油机; 游梁平衡式抽油机下载手机词典可随时随地查词查翻译
