Sebic
abbr. secondary emission bombardmentinduced conductivity 次级发射轰击诱生电导率; sustained electron bombardmentinduced conductivity 持续电子轰击诱生电导率
🗣️ 情景例句
When was your last complete physical?
上一次全身检查是什么时候？
I'm sleeping upstairs.
我在楼上睡觉。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。