释义 |
The platform was elevated by means of hydraulic legs.平台由液压支架抬升起来。It drives a hole into the coal seam using a hydraulic bit.它用水力钻头在煤层上钻洞。The floor began to descend on a powerful hydraulic press until it locked into place.在大功率液压机作用下,地板开始降落,直至到达指定位置。 |