结论用液氮冷冻治疗小儿血管瘤疗效确切、经济、简便、安全，容易推广。

Conclusion Cryotherapy of infantile hemangioma is effective, economic, simple, safe and easy to implement.

youdao

第九种：可装上氢气，当小儿玩具用。

The 9th kind: But mount is hydric, use when children toy.

youdao

第九种：可装上氢气，当小儿玩具用。

The 9th kind: But mount is hydric, use when children toy.

youdao