- 相关词组
- negative-resistance tube oscillator负阻管振荡器
- half-wave mercury vapour rectifier tube半波汞气整流管
- half-wave rectifier tube半波整流管
- two-colour tube双色管;双色显像管
- grid controlled relay tube栅控继电器管
- wave-modulated oscilloscope tube波调示波管
- neck of tube管颈
- water driven mechanical tube cleaner水力(机械)清管器
- negative grid super high frequency tube负栅超高频管
- photoelectric electron-multiplier tube光电倍增管
- vacuum tuben.<美>真空管，电子管;
- tube viscometer管式粘度计
- needle tube针管
- non-storage camera tube非积储式摄像管
- negative grid tube负栅管
- cathode-ray tube阴极射线管;伦纳德氏管;
- non-storage pick-up tube非积储式摄像管
- main vent tube passage plug主通风管通道塞
- smoked tube type boiler火管锅炉
- vacuum tube Gm meter电子管跨导计
- 今日热词
- 热门搜索
- fact n.事实;真相;资料;
- did not 没有;未;未尝;未曾;
- role n.角色;地位;作用;
- telegraph n.电报;电讯;电报机;信号机;vt.& vi.打电报;流露出;电汇;用电报通知;
- steak n.牛排;碎牛肉;鱼片;
- detective n.警探；私人侦探；刑侦;adj.侦探的；侦察的;
- redden vt.& vi.（使）变红;vi.（由于羞愧、愤怒、天气热等）脸变红;
- century n.世纪;一百年;
- comparison n.比较;相比;
- have a good time 过得愉快， 玩得痛快;
- artist n.艺术家;画家;能手;大师;
- 5-htp 5-羟色氨酸
