轮心与轴承箱是否相碰，间隙不应小于2mm的翻译：Wheel bearing box of heart and collision, clearances should not be less than 2mm 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Wheel bearing box is touching the heart and, not less than 2mm gap

Wheel bearing box of heart and collision, clearances should not be less than 2mm

Wheel center and bearing box whether bumps, the gap should not be smaller than 2mm

wheel bearing box and heart-touching, whether ground clearance should not be less than 2mm

Wheel bearing box of heart and collision, clearances should not be less than 2mm