Beam tetrode
[电] 集射四极管
🧩 词语组成解析
beam
[bim]
n. 梁，栋梁;束;光线;（电波的）波束;
vi. 发出光与热;面露喜色;
vt. 播送;以梁支撑;用…照射;流露;
vt.& vi. 笑容满面，眉开眼笑;发射电波，播送;放出束状的光（或热）;
n. 四极管
🗣️ 情景例句
I have received the secretarial training for six months.
我曾接受过6个月的秘书训练。
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.
在工业生活的组织中，工厂对工人的生理和精神状态的影响完全被忽视了。