优点：支撑度可调；有益于颈部疼痛的缓解。

Advantages: Adjustable support level; good for neck pain.

youdao

该组病人对缓解疼痛的满意度也更高。

This group of patients also had higher satisfaction with pain relief.

youdao

该组病人对缓解疼痛的满意度也更高。

This group of patients also had higher satisfaction with pain relief.

youdao