关于草坪机手把的要求

qlyxar

If not of insulating material, covered with insultaing material having a thickness of at least 1mm which extends for distance of 150mm from handles and handle mounted operator controls and by insulation equivalent to supplementary insulation from other accessible metal parts which are within 75mm of the ground measure as clearance or from accessible metal parts connected to such parts
以上的对把手的要求，这句怎么理解

d60102224

把手为非绝缘材料的，覆盖在手柄的的到绝缘材料手柄控制位置150mm范围内绝缘层厚度至少要有1mm厚。 且应通过相当于附加绝缘的绝缘隔开其与到地面间隙75mm范围内的其他可触及金属材料或与这个金属材料相连的金属材料。

qlyxar

谢谢，第一句我还明白，第二句不太清楚，
能在解释一下第二句吗