Electromagnetics system
[电] 电磁制
🧩 词语组成解析
n. 电磁学\\n[计] 电磁学
🗣️ 情景例句
We had a unique experience here.
我们在这里获得了宝贵的经验。
Would you like to leave your name and number?
你想要留下你的名字和电话吗？
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。