horizontal clearance between cable racks

例句：

1. 1.The car had to clear a horizontal clearance of 10 feet before it could pass through the narrow gap.
   汽车在通过狭窄的缝隙前必须清除10英尺的水平间隙。
2. 2. The construction workers were required to maintain a certain level of safety, including maintaining a horizontal clearance of at least 3 feet from the edge of the building.
   建筑工人被要求保持一定的安全水平，包括与建筑物边缘保持至少3英尺的水平间隙。
3. 3. The new design reduces the horizontal clearance between the two cars, making it easier for them to pass eachother.
   新设计减少了两辆车之间的水平间隙，使得它们更容易互相通过。