hydraulic ram

基本解释

We felt like we had good pace but the head stay hydraulic ram lost some pressure, which affected the positioning of the mast, and sail trim.
起航阶段我们可以感觉到速度很快,但不久液压系统就出现问题,影响了我们对桅杆的控制和对帆的调整。
RICHARD YEM SYNC: Under the action of the waves the hydraulic ram's blue unit, shown down here on my left, pumps high pressure fluid into these large accumulators.
RICHARD同步解说:在波的作用下，液压油缸的蓝色单元，在我的左边，将高压液体泵入大型蓄电池。
A hydraulic ram.
水压抽水机
The working principle of UH-3000 hydraulic rammer is detailed with the testing results of its process.
详细介绍了UH - 30 0 0型油压夯管锤的工作原理及工艺性试验的内容。
The working parameters of hydraulic rammer are observed through changed pressure.
针对一台液压夯管锤,通过改变其供油压力,考察了其工作参数的变化。