Fluctuating current
[电] 增减起伏电流
🧩 词语组成解析
v. 波动（fluctuate的ing形式）
🗣️ 情景例句
How was your weekend?
你们的周末过得怎么样
I guess so.
这样也好。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。