对地绝缘 meaning in Chinese

grounding insulation
insulation against ground

Check the connection of control circuit shall be in accordance with drawings , the continuity of each circuit , and the insulation resistance against earth
按电路图检查控制回路接线正确，各回路连续性试验正确，对地绝缘电阻符合要求。
An insulating lift is presented to improve the insulation property between the gripper and ground of high voltage hot - line cleaning robot , and to decrease the initial cylinder ' s working - pressure of vertical lifting mechanism
摘要提出了一种绝缘升降平台，用于提高高压带电清扫机器人带电作业时的对地绝缘性能，同时降低机器人垂直升降机构驱动油缸的初始工作压力。