对于单组分流体，这个下标可以省略。

In a single-species fluid, the subscript may be dropped.

youdao

LB 20 SBS单组分橡胶防水涂料是新型、高性能的建筑防水材料。

The LB20SBS single component rubber waterproof paint is a new high performance construction waterproof material.

youdao

LB 20 SBS单组分橡胶防水涂料是新型、高性能的建筑防水材料。

The LB20SBS single component rubber waterproof paint is a new high performance construction waterproof material.

youdao