Inj.
[医] 注射, 注射液
🗣️ 情景例句
Pete Waters, RFD Number 1, Chesterton.
Pete Waters， Chesterton乡村免费邮递路 一号。
My brain doesn't seem to be working well today.
我的头脑今天好像不太灵光。
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。