Maintenance work
[计] 维护工作\\n[化] 维修工作; 日常维修工作
🧩 词语组成解析
work
[wɝk]
vt.& vi. 使工作;使运作;操作;使产生效果;
n. 工作，操作;著作;工厂;行为，事业;
vt. 使工作;操作;经营;使缓慢前进;
🗣️ 情景例句
Skip, hop, front.
跳 蹦 向前
We're broadcasting from London.
我们从伦敦播放。
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。