注：此套环有关使用要求与注意事项请参考国家标准GB5974.1 - 86规定，超大型套环给予特殊制作。

Remark: the use of such ring and its notice shall refer to the state standard GB5974.1-86, and special production is to be given to super large ring.

youdao

注：此套环有关使用要求与注意事项请参考国家标准GB5974.2 - 86规定，超大型套环给予特殊制作。

Remark: the use of such ring and its notice shall refer to the state standard GB5974.2-86, and special production is to be given to super large ring.

youdao