Leveling rod
n. 准尺; 水准尺
🧩 词语组成解析
n. 水准测量
rod
[rɑd]
n. 杆，拉杆;惩罚，体罚;（责打人用的）棍棒;手枪;
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
Who am I supposed to see?
我应该去见谁？
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。