Arcover
n. [物]电弧放电,闪络,飞弧
🗣️ 情景例句
Could I?
我能看一看吗？
We're trying to plan our future.
我们正在试着计划我们的未来。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。