grounding insulation

例句：

1. 1.The grounding insulation is crucial for the safe operation of the electrical equipment.
   接地绝缘对于电气设备的安全可靠运行至关重要。
2. 2.The insulation material used in this project is of high quality, ensuring that the grounding insulation is effective.
   该项目使用的绝缘材料质量上乘，确保接地绝缘有效。
3. 3. The engineer carefully inspected the grounding insulation to ensure its integrity and reliability.
   工程师仔细检查了接地绝缘，以确保其完整性和可靠性。