Already by the 1960s, people were pumping groundwater faster than it could be replenished by water soaking back into the ground.
况且在20世纪60年代，人们抽水速度就已经超过地下蓄水层可吸纳地面水自行补充的速度。
The way it runs – pumping its back legs akimbo, has earned it the name "bicycle lizard."
它逃跑的方式 – 把后腿向后弯曲，所以被人称为“自行车蜥蜴”。
The working processes and characteristics of the governor under the pumping mode and back-to-back startup are emphatically analyzed.
以现场试验结果为基础，重点分析了调速器在机组抽水运行和作为拖动机运行时的工作过程及特性。
I was wiped out by the time we got back down, but it felt great to get my body moving and my blood pumping with some good, hard exercise.
下山时虽然疲惫不堪，不过流点汗、做点有益健康的运动，趁机动动身体、让血液循环一下，我觉得挺棒的。
This is caused by the back surge of water to the pumping equipment.
它是由水流反向压力波冲击管道设备引起的。
The framework of the long-stroke pumping unit with compound crown sheave consists of a flat frame with four columns, two cantilever beams and two back legs.
复合天轮式长冲程抽油机主架由四柱扁框架、两个悬臂梁和两个后支腿组成。
The framework of the long-stroke pumping unit with compound crown sheave consists of a flat frame with four columns, two cantilever beams and two back legs.
复合天轮式长冲程抽油机主架由四柱扁框架、两个悬臂梁和两个后支腿组成。
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