标识：普通包布V带的标识，本公司均按V带的外周长度及基准长度标识，各型号换算关系见上表。

MARKING: The marking of classical wrapped V-belts represent both the inside length and pitch length of factory V-belts. The length conversion table is availabie for conversion between various models.

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世界上最大的科学实验大型强子对撞机（LHC）建在日内瓦外的一个圆形隧道，周长27千米。

The LHC, the world's biggest scientific experiment, has been built just outside Geneva in a circular tunnel with a circumference of 27km.

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