CAUTION. Need for Periodic inspection: Periodic inspection by a licensed contractor is recommended.

警告：需要定期检查：建议由有资格证书的承包商进行定期检查。

youdao

CAUTION. Need for Periodic inspection: Periodic inspection by a licensed contractor is recommended.

警告：需要定期检查：建议由有资格证书的承包商进行定期检查。

youdao