这种同轴设计使两个部件完美地对齐在同一轴线上。

The ___coaxial design ensures the two components are perfectly aligned along the same axis.

这款音响采用了同轴设计，使高音和低音单元共享同一轴线。

This speaker features a ___coaxial design where the tweeter and woofer share the same central axis.