Keeper electrode
[计] 定位电极, 保持电极
🧩 词语组成解析
keeper
['ki:pə]
n. 保管人;饲养员;负责人;监护人;
🗣️ 情景例句
is no longer in service.
是空号。
A dog will not howl if you beat him with a bone.
骨头打狗狗不叫。
I must go to the greengrocer's.We haven't got many tomatoes,but we've got a lot of potatoes.
我还得到蔬菜水果店去一下。我们番茄不多了，但土豆还有不少。